136252631 has 2 divisors, whose sum is σ = 136252632. Its totient is φ = 136252630.

The previous prime is 136252619. The next prime is 136252639.

136252631 is nontrivially palindromic in base 10.

136252631 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 136252631 - 2¹⁰ = 136251607 is a prime.

It is a super-2 number, since 2×136252631² = 37129558908844322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136252594 and 136252603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136252639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68126315 + 68126316.

It is an arithmetic number, because the mean of its divisors is an integer number (68126316).

Almost surely, 2^136252631 is an apocalyptic number.

136252631 is a deficient number, since it is larger than the sum of its proper divisors (1).

136252631 is an equidigital number, since it uses as much as digits as its factorization.

136252631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 136252631 is about 11672.7302290424. The cubic root of 136252631 is about 514.5745454037.

The spelling of 136252631 in words is "one hundred thirty-six million, two hundred fifty-two thousand, six hundred thirty-one".