131923049456 has 30 divisors (see below), whose sum is σ = 280949762856. Its totient is φ = 59965021600.

The previous prime is 131923049359. The next prime is 131923049483. The reversal of 131923049456 is 654940329131.

It is a self number, because there is not a number n which added to its sum of digits gives 131923049456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34069100 + ... + 34072971.

Almost surely, 2^131923049456 is an apocalyptic number.

131923049456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131923049456 is an abundant number, since it is smaller than the sum of its proper divisors (149026713400).

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

131923049456 is a wasteful number, since it uses less digits than its factorization.

131923049456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68142101 (or 68142084 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 131923049456 in words is "one hundred thirty-one billion, nine hundred twenty-three million, forty-nine thousand, four hundred fifty-six".