136051631 has 8 divisors (see below), whose sum is σ = 137074560. Its totient is φ = 135032832.

The previous prime is 136051621. The next prime is 136051637. The reversal of 136051631 is 136150631.

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 136051631 - 2²⁶ = 68942767 is a prime.

It is a super-2 number, since 2×136051631² = 37020092595520322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136051631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136051637) 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, 95855 + ... + 97263.

It is an arithmetic number, because the mean of its divisors is an integer number (17134320).

Almost surely, 2^136051631 is an apocalyptic number.

136051631 is a deficient number, since it is larger than the sum of its proper divisors (1022929).

136051631 is a wasteful number, since it uses less digits than its factorization.

136051631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 136051631 is about 11664.1172404945. The cubic root of 136051631 is about 514.3213872705.

The spelling of 136051631 in words is "one hundred thirty-six million, fifty-one thousand, six hundred thirty-one".