136632426439 has 2 divisors, whose sum is σ = 136632426440. Its totient is φ = 136632426438.

The previous prime is 136632426431. The next prime is 136632426523. The reversal of 136632426439 is 934624236631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136632426439 - 2³ = 136632426431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136632426392 and 136632426401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136632426431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68316213219 + 68316213220.

It is an arithmetic number, because the mean of its divisors is an integer number (68316213220).

Almost surely, 2^136632426439 is an apocalyptic number.

136632426439 is a deficient number, since it is larger than the sum of its proper divisors (1).

136632426439 is an equidigital number, since it uses as much as digits as its factorization.

136632426439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 49.

The spelling of 136632426439 in words is "one hundred thirty-six billion, six hundred thirty-two million, four hundred twenty-six thousand, four hundred thirty-nine".