131196037698 has 48 divisors (see below), whose sum is σ = 310135599072. Its totient is φ = 39751776000.

The previous prime is 131196037681. The next prime is 131196037727. The reversal of 131196037698 is 896730691131.

It is a happy number.

131196037698 is a `hidden beast` number, since 13 + 1 + 19 + 603 + 7 + 6 + 9 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1932978 + ... + 1999698.

It is an arithmetic number, because the mean of its divisors is an integer number (6461158314).

Almost surely, 2^131196037698 is an apocalyptic number.

131196037698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

131196037698 is an abundant number, since it is smaller than the sum of its proper divisors (178939561374).

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

131196037698 is a wasteful number, since it uses less digits than its factorization.

131196037698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76671 (or 76668 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 131196037698 in words is "one hundred thirty-one billion, one hundred ninety-six million, thirty-seven thousand, six hundred ninety-eight".