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136173040 = 2459711753
BaseRepresentation
bin10000001110111…
…01010111110000
3100111020022021221
420013131113300
5234330014130
621302354424
73242310643
oct1007352760
9314208257
10136173040
116a958903
123972ba14
132229a483
1414129a5a
15be4c87a
hex81dd5f0

136173040 has 40 divisors (see below), whose sum is σ = 317109168. Its totient is φ = 54382080.

The previous prime is 136173017. The next prime is 136173047. The reversal of 136173040 is 40371631.

136173040 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 136172996 and 136173014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136173047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76804 + ... + 78556.

Almost surely, 2136173040 is an apocalyptic number.

136173040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136173040 is an abundant number, since it is smaller than the sum of its proper divisors (180936128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136173040 is a wasteful number, since it uses less digits than its factorization.

136173040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 136173040 is about 11669.3204600782. The cubic root of 136173040 is about 514.4743308744.

The spelling of 136173040 in words is "one hundred thirty-six million, one hundred seventy-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 971 1753 1942 3506 3884 4855 7012 7768 8765 9710 14024 15536 17530 19420 28048 35060 38840 70120 77680 140240 1702163 3404326 6808652 8510815 13617304 17021630 27234608 34043260 68086520 136173040