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136270340 = 22561111697
BaseRepresentation
bin10000001111101…
…01001000000100
3100111102020202122
420013311020010
5234341122330
621304425112
73243164423
oct1007651004
9314366678
10136270340
116aa14a18
1239778198
132230284b
14141532ba
15be6b5e5
hex81f5204

136270340 has 24 divisors (see below), whose sum is σ = 290861592. Its totient is φ = 53614080.

The previous prime is 136270307. The next prime is 136270349. The reversal of 136270340 is 43072631.

136270340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3928324 + 132342016 = 1982^2 + 11504^2 .

It is not an unprimeable number, because it can be changed into a prime (136270349) 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, 54629 + ... + 57068.

It is an arithmetic number, because the mean of its divisors is an integer number (12119233).

Almost surely, 2136270340 is an apocalyptic number.

136270340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136270340 is an abundant number, since it is smaller than the sum of its proper divisors (154591252).

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

136270340 is a wasteful number, since it uses less digits than its factorization.

136270340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111767 (or 111765 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 136270340 is about 11673.4887672880. The cubic root of 136270340 is about 514.5968378316.

The spelling of 136270340 in words is "one hundred thirty-six million, two hundred seventy thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 111697 223394 446788 558485 1116970 2233940 6813517 13627034 27254068 34067585 68135170 136270340