136653631 has 2 divisors, whose sum is σ = 136653632. Its totient is φ = 136653630.

The previous prime is 136653623. The next prime is 136653637. The reversal of 136653631 is 136356631.

136653631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136653631 - 2³ = 136653623 is a prime.

It is a super-2 number, since 2×136653631² = 37348429730968322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136653637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68326815 + 68326816.

It is an arithmetic number, because the mean of its divisors is an integer number (68326816).

Almost surely, 2^136653631 is an apocalyptic number.

136653631 is a deficient number, since it is larger than the sum of its proper divisors (1).

136653631 is an equidigital number, since it uses as much as digits as its factorization.

136653631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 34.

The square root of 136653631 is about 11689.8943964435. The cubic root of 136653631 is about 515.0788593226.

The spelling of 136653631 in words is "one hundred thirty-six million, six hundred fifty-three thousand, six hundred thirty-one".