131909864758 has 32 divisors (see below), whose sum is σ = 227521382400. Its totient is φ = 56185889760.

The previous prime is 131909864741. The next prime is 131909864771. The reversal of 131909864758 is 857468909131.

It is a junction number, because it is equal to n+sod(n) for n = 131909864696 and 131909864705.

It is a congruent number.

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, 2512060 + ... + 2564032.

It is an arithmetic number, because the mean of its divisors is an integer number (7110043200).

Almost surely, 2^131909864758 is an apocalyptic number.

131909864758 is a deficient number, since it is larger than the sum of its proper divisors (95611517642).

131909864758 is a wasteful number, since it uses less digits than its factorization.

131909864758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53092.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 131909864758 in words is "one hundred thirty-one billion, nine hundred nine million, eight hundred sixty-four thousand, seven hundred fifty-eight".