131237291746 has 32 divisors (see below), whose sum is σ = 216235319040. Its totient is φ = 59242486800.

The previous prime is 131237291699. The next prime is 131237291749. The reversal of 131237291746 is 647192732131.

It is a junction number, because it is equal to n+sod(n) for n = 131237291696 and 131237291705.

It is not an unprimeable number, because it can be changed into a prime (131237291749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137545 + ... + 2198083.

It is an arithmetic number, because the mean of its divisors is an integer number (6757353720).

Almost surely, 2^131237291746 is an apocalyptic number.

131237291746 is a deficient number, since it is larger than the sum of its proper divisors (84998027294).

131237291746 is a wasteful number, since it uses less digits than its factorization.

131237291746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61230.

The product of its digits is 381024, while the sum is 46.

The spelling of 131237291746 in words is "one hundred thirty-one billion, two hundred thirty-seven million, two hundred ninety-one thousand, seven hundred forty-six".