136464631 has 8 divisors (see below), whose sum is σ = 143761280. Its totient is φ = 129179448.

The previous prime is 136464619. The next prime is 136464637.

136464631 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136464631 - 2⁵ = 136464599 is a prime.

It is a super-2 number, since 2×136464631² = 37245191027932322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136464637) 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, 33550 + ... + 37396.

It is an arithmetic number, because the mean of its divisors is an integer number (17970160).

Almost surely, 2^136464631 is an apocalyptic number.

136464631 is a deficient number, since it is larger than the sum of its proper divisors (7296649).

136464631 is a wasteful number, since it uses less digits than its factorization.

136464631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5733.

The product of its digits is 31104, while the sum is 34.

The square root of 136464631 is about 11681.8076940172. The cubic root of 136464631 is about 514.8412883230.

The spelling of 136464631 in words is "one hundred thirty-six million, four hundred sixty-four thousand, six hundred thirty-one".