136424631 has 16 divisors (see below), whose sum is σ = 208140800. Its totient is φ = 77861088.

The previous prime is 136424627. The next prime is 136424641.

136424631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 136424631 - 2² = 136424627 is a prime.

It is a super-2 number, since 2×136424631² = 37223359886972322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136424621) 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 15 ways as a sum of consecutive naturals, for example, 15765 + ... + 22833.

It is an arithmetic number, because the mean of its divisors is an integer number (13008800).

Almost surely, 2^136424631 is an apocalyptic number.

136424631 is a deficient number, since it is larger than the sum of its proper divisors (71716169).

136424631 is an equidigital number, since it uses as much as digits as its factorization.

136424631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998.

The product of its digits is 10368, while the sum is 30.

The square root of 136424631 is about 11680.0955047465. The cubic root of 136424631 is about 514.7909806259.

The spelling of 136424631 in words is "one hundred thirty-six million, four hundred twenty-four thousand, six hundred thirty-one".