131917396146 has 16 divisors (see below), whose sum is σ = 269970485664. Its totient is φ = 42949849824.

The previous prime is 131917396139. The next prime is 131917396201. The reversal of 131917396146 is 641693719131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255653611 + ... + 255654126.

It is an arithmetic number, because the mean of its divisors is an integer number (16873155354).

Almost surely, 2^131917396146 is an apocalyptic number.

131917396146 is an abundant number, since it is smaller than the sum of its proper divisors (138053089518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131917396146 is a wasteful number, since it uses less digits than its factorization.

131917396146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511307785.

The product of its digits is 734832, while the sum is 51.

The spelling of 131917396146 in words is "one hundred thirty-one billion, nine hundred seventeen million, three hundred ninety-six thousand, one hundred forty-six".