131346535526645 has 32 divisors (see below), whose sum is σ = 173567425190400. Its totient is φ = 95005327113216.

The previous prime is 131346535526639. The next prime is 131346535526693. The reversal of 131346535526645 is 546625535643131.

It is a cyclic number.

It is not a de Polignac number, because 131346535526645 - 2⁴⁰ = 130247023898869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264078155 + ... + 264575064.

It is an arithmetic number, because the mean of its divisors is an integer number (5423982037200).

Almost surely, 2^{131346535526645} is an apocalyptic number.

It is an amenable number.

131346535526645 is a deficient number, since it is larger than the sum of its proper divisors (42220889663755).

131346535526645 is a wasteful number, since it uses less digits than its factorization.

131346535526645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528653357.

The product of its digits is 116640000, while the sum is 59.

The spelling of 131346535526645 in words is "one hundred thirty-one trillion, three hundred forty-six billion, five hundred thirty-five million, five hundred twenty-six thousand, six hundred forty-five".