136153202351631 has 4 divisors (see below), whose sum is σ = 181537603135512. Its totient is φ = 90768801567752.

The previous prime is 136153202351549. The next prime is 136153202351723.

136153202351631 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136153202351631 - 2²³ = 136153193963023 is a prime.

It is a super-2 number, since 2×136153202351631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136153202355631) 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, 22692200391936 + ... + 22692200391941.

It is an arithmetic number, because the mean of its divisors is an integer number (45384400783878).

Almost surely, 2^{136153202351631} is an apocalyptic number.

136153202351631 is a deficient number, since it is larger than the sum of its proper divisors (45384400783881).

136153202351631 is an equidigital number, since it uses as much as digits as its factorization.

136153202351631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45384400783880.

The product of its (nonzero) digits is 291600, while the sum is 42.

It can be divided in two parts, 13615320 and 2351631, that added together give a palindrome (15966951).

The spelling of 136153202351631 in words is "one hundred thirty-six trillion, one hundred fifty-three billion, two hundred two million, three hundred fifty-one thousand, six hundred thirty-one".