136630436531 has 8 divisors (see below), whose sum is σ = 137528883984. Its totient is φ = 135732723840.

The previous prime is 136630436513. The next prime is 136630436573. The reversal of 136630436531 is 135634036631.

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 136630436531 - 2²² = 136626242227 is a prime.

It is a super-2 number, since 2×136630436531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136630436581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191951 + ... + 556871.

It is an arithmetic number, because the mean of its divisors is an integer number (17191110498).

Almost surely, 2^136630436531 is an apocalyptic number.

136630436531 is a deficient number, since it is larger than the sum of its proper divisors (898447453).

136630436531 is a wasteful number, since it uses less digits than its factorization.

136630436531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367381.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 136630436531 in words is "one hundred thirty-six billion, six hundred thirty million, four hundred thirty-six thousand, five hundred thirty-one".