136727631 has 12 divisors (see below), whose sum is σ = 198805360. Its totient is φ = 90547200.

The previous prime is 136727623. The next prime is 136727641.

136727631 is a `hidden beast` number, since 13 + 6 + 7 + 2 + 7 + 631 = 666.

136727631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 136727631 - 2³ = 136727623 is a prime.

It is a super-2 number, since 2×136727631² = 37388890157744322, 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 (136727621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48946 + ... + 51663.

Almost surely, 2^136727631 is an apocalyptic number.

136727631 is a deficient number, since it is larger than the sum of its proper divisors (62077729).

136727631 is a wasteful number, since it uses less digits than its factorization.

136727631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100766 (or 100763 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 136727631 is about 11693.0590950358. The cubic root of 136727631 is about 515.1718168661.

The spelling of 136727631 in words is "one hundred thirty-six million, seven hundred twenty-seven thousand, six hundred thirty-one".