136340506131 has 16 divisors (see below), whose sum is σ = 182597479680. Its totient is φ = 90489503520.

The previous prime is 136340506123. The next prime is 136340506199. The reversal of 136340506131 is 131605043631.

It is not a de Polignac number, because 136340506131 - 2³ = 136340506123 is a prime.

It is a super-2 number, since 2×136340506131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136340506092 and 136340506101.

It is not an unprimeable number, because it can be changed into a prime (136340506121) 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, 494856 + ... + 719418.

It is an arithmetic number, because the mean of its divisors is an integer number (11412342480).

Almost surely, 2^136340506131 is an apocalyptic number.

136340506131 is a deficient number, since it is larger than the sum of its proper divisors (46256973549).

136340506131 is a wasteful number, since it uses less digits than its factorization.

136340506131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225466.

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 136340506131 its reverse (131605043631), we get a palindrome (267945549762).

The spelling of 136340506131 in words is "one hundred thirty-six billion, three hundred forty million, five hundred six thousand, one hundred thirty-one".