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136406757 = 3192393101
BaseRepresentation
bin10000010000101…
…10011011100101
3100111200011220010
420020112123211
5234410004012
621311400433
73244303224
oct1010263345
9314604803
10136406757
116aaa8463
1239823119
132234c976
141418acbb
15be96c3c
hex82166e5

136406757 has 8 divisors (see below), whose sum is σ = 191448160. Its totient is φ = 86151600.

The previous prime is 136406747. The next prime is 136406773. The reversal of 136406757 is 757604631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136406757 - 210 = 136405733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136406747) 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, 1196494 + ... + 1196607.

It is an arithmetic number, because the mean of its divisors is an integer number (23931020).

Almost surely, 2136406757 is an apocalyptic number.

It is an amenable number.

136406757 is a deficient number, since it is larger than the sum of its proper divisors (55041403).

136406757 is a wasteful number, since it uses less digits than its factorization.

136406757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393123.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 136406757 is about 11679.3303318298. The cubic root of 136406757 is about 514.7684974526.

The spelling of 136406757 in words is "one hundred thirty-six million, four hundred six thousand, seven hundred fifty-seven".

Divisors: 1 3 19 57 2393101 7179303 45468919 136406757