131937361905 has 16 divisors (see below), whose sum is σ = 211311537984. Its totient is φ = 70296006720.

The previous prime is 131937361891. The next prime is 131937361957. The reversal of 131937361905 is 509163739131.

It is a happy number.

It is not a de Polignac number, because 131937361905 - 2⁴ = 131937361889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4396191 + ... + 4426100.

It is an arithmetic number, because the mean of its divisors is an integer number (13206971124).

Almost surely, 2^131937361905 is an apocalyptic number.

131937361905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131937361905 is a deficient number, since it is larger than the sum of its proper divisors (79374176079).

131937361905 is an equidigital number, since it uses as much as digits as its factorization.

131937361905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8823296.

The product of its (nonzero) digits is 459270, while the sum is 48.

The spelling of 131937361905 in words is "one hundred thirty-one billion, nine hundred thirty-seven million, three hundred sixty-one thousand, nine hundred five".