136363631 has 2 divisors, whose sum is σ = 136363632. Its totient is φ = 136363630.

The previous prime is 136363607. The next prime is 136363649.

136363631 is nontrivially palindromic in base 10.

136363631 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 palprime.

It is a cyclic number.

It is not a de Polignac number, because 136363631 - 2¹⁴ = 136347247 is a prime.

It is a super-2 number, since 2×136363631² = 37190079719008322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136363651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68181815 + 68181816.

It is an arithmetic number, because the mean of its divisors is an integer number (68181816).

Almost surely, 2^136363631 is an apocalyptic number.

136363631 is a deficient number, since it is larger than the sum of its proper divisors (1).

136363631 is an equidigital number, since it uses as much as digits as its factorization.

136363631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 32.

The square root of 136363631 is about 11677.4839327657. The cubic root of 136363631 is about 514.7142424516.

The spelling of 136363631 in words is "one hundred thirty-six million, three hundred sixty-three thousand, six hundred thirty-one".