136252353123 has 8 divisors (see below), whose sum is σ = 201855338000. Its totient is φ = 90834902064.

The previous prime is 136252353089. The next prime is 136252353157. The reversal of 136252353123 is 321353252631.

136252353123 is a `hidden beast` number, since 1 + 3 + 6 + 2 + 523 + 5 + 3 + 123 = 666.

It is an interprime number because it is at equal distance from previous prime (136252353089) and next prime (136252353157).

It is not a de Polignac number, because 136252353123 - 2²⁵ = 136218798691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136252353173) 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, 2523191698 + ... + 2523191751.

It is an arithmetic number, because the mean of its divisors is an integer number (25231917250).

Almost surely, 2^136252353123 is an apocalyptic number.

136252353123 is a deficient number, since it is larger than the sum of its proper divisors (65602984877).

136252353123 is an equidigital number, since it uses as much as digits as its factorization.

136252353123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046383458 (or 5046383452 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The spelling of 136252353123 in words is "one hundred thirty-six billion, two hundred fifty-two million, three hundred fifty-three thousand, one hundred twenty-three".