131975174836 has 12 divisors (see below), whose sum is σ = 232339530528. Its totient is φ = 65592451832.

The previous prime is 131975174819. The next prime is 131975174839. The reversal of 131975174836 is 638471579131.

It is a super-3 number, since 3×131975174836³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131975174839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98783146 + ... + 98784481.

It is an arithmetic number, because the mean of its divisors is an integer number (19361627544).

Almost surely, 2^131975174836 is an apocalyptic number.

It is an amenable number.

131975174836 is a deficient number, since it is larger than the sum of its proper divisors (100364355692).

131975174836 is a wasteful number, since it uses less digits than its factorization.

131975174836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197567798 (or 197567796 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The spelling of 131975174836 in words is "one hundred thirty-one billion, nine hundred seventy-five million, one hundred seventy-four thousand, eight hundred thirty-six".