136955157 has 4 divisors (see below), whose sum is σ = 182606880. Its totient is φ = 91303436.

The previous prime is 136955153. The next prime is 136955177. The reversal of 136955157 is 751559631.

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: 751559631 = 3 ⋅250519877.

It is a cyclic number.

It is not a de Polignac number, because 136955157 - 2² = 136955153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136955153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22825857 + ... + 22825862.

It is an arithmetic number, because the mean of its divisors is an integer number (45651720).

Almost surely, 2^136955157 is an apocalyptic number.

It is an amenable number.

136955157 is a deficient number, since it is larger than the sum of its proper divisors (45651723).

136955157 is an equidigital number, since it uses as much as digits as its factorization.

136955157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45651722.

The product of its digits is 141750, while the sum is 42.

The square root of 136955157 is about 11702.7841559178. The cubic root of 136955157 is about 515.4574212304.

The spelling of 136955157 in words is "one hundred thirty-six million, nine hundred fifty-five thousand, one hundred fifty-seven".