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136164057 = 345388019
BaseRepresentation
bin10000001110110…
…11001011011001
3100111012211222020
420013123023121
5234324222212
621302245053
73242242521
oct1007331331
9314184866
10136164057
116a952087
1239726789
1322296363
1414126681
15be49d8c
hex81db2d9

136164057 has 4 divisors (see below), whose sum is σ = 181552080. Its totient is φ = 90776036.

The previous prime is 136164011. The next prime is 136164109. The reversal of 136164057 is 750461631.

136164057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 750461631 = 3250153877.

It is a cyclic number.

It is not a de Polignac number, because 136164057 - 222 = 131969753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136164757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22694007 + ... + 22694012.

It is an arithmetic number, because the mean of its divisors is an integer number (45388020).

Almost surely, 2136164057 is an apocalyptic number.

It is an amenable number.

136164057 is a deficient number, since it is larger than the sum of its proper divisors (45388023).

136164057 is an equidigital number, since it uses as much as digits as its factorization.

136164057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45388022.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 136164057 is about 11668.9355555680. The cubic root of 136164057 is about 514.4630177575.

The spelling of 136164057 in words is "one hundred thirty-six million, one hundred sixty-four thousand, fifty-seven".

Divisors: 1 3 45388019 136164057