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136207557 = 32144710459
BaseRepresentation
bin10000001111001…
…01110011000101
3100111022001122100
420013211303011
5234332120212
621303222313
73242513403
oct1007456305
9314261570
10136207557
116a981832
1239747999
13222b00b5
1414138473
15be57bdc
hex81e5cc5

136207557 has 12 divisors (see below), whose sum is σ = 196899040. Its totient is φ = 90733608.

The previous prime is 136207543. The next prime is 136207567. The reversal of 136207557 is 755702631.

It is not a de Polignac number, because 136207557 - 28 = 136207301 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 (136207507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7794 + ... + 18252.

Almost surely, 2136207557 is an apocalyptic number.

It is an amenable number.

136207557 is a deficient number, since it is larger than the sum of its proper divisors (60691483).

136207557 is a wasteful number, since it uses less digits than its factorization.

136207557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11912 (or 11909 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 136207557 is about 11670.7993299517. The cubic root of 136207557 is about 514.5177966741.

The spelling of 136207557 in words is "one hundred thirty-six million, two hundred seven thousand, five hundred fifty-seven".

Divisors: 1 3 9 1447 4341 10459 13023 31377 94131 15134173 45402519 136207557