136000631 has 8 divisors (see below), whose sum is σ = 146724144. Its totient is φ = 125314560.

The previous prime is 136000621. The next prime is 136000639.

136000631 is nontrivially palindromic in base 10.

136000631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 136000631 - 2¹⁰ = 135999607 is a prime.

It is a super-2 number, since 2×136000631² = 36992343264796322, 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 (136000639) 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, 1565 + ... + 16566.

It is an arithmetic number, because the mean of its divisors is an integer number (18340518).

Almost surely, 2^136000631 is an apocalyptic number.

136000631 is a deficient number, since it is larger than the sum of its proper divisors (10723513).

136000631 is a wasteful number, since it uses less digits than its factorization.

136000631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18721.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 136000631 is about 11661.9308435610. The cubic root of 136000631 is about 514.2571134631.

It can be divided in two parts, 136000 and 631, that added together give a palindrome (136631).

The spelling of 136000631 in words is "one hundred thirty-six million, six hundred thirty-one", and thus it is an aban number.