136049631 has 16 divisors (see below), whose sum is σ = 186637824. Its totient is φ = 88109504.

The previous prime is 136049621. The next prime is 136049653. The reversal of 136049631 is 136940631.

It is a cyclic number.

It is not a de Polignac number, because 136049631 - 2⁶ = 136049567 is a prime.

It is a super-2 number, since 2×136049631² = 37019004190472322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136049592 and 136049601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136049611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15796 + ... + 22838.

It is an arithmetic number, because the mean of its divisors is an integer number (11664864).

Almost surely, 2^136049631 is an apocalyptic number.

136049631 is a deficient number, since it is larger than the sum of its proper divisors (50588193).

136049631 is a wasteful number, since it uses less digits than its factorization.

136049631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 136049631 is about 11664.0315071591. The cubic root of 136049631 is about 514.3188670317.

The spelling of 136049631 in words is "one hundred thirty-six million, forty-nine thousand, six hundred thirty-one".