131802774720 has 56 divisors (see below), whose sum is σ = 418473812784. Its totient is φ = 35147406336.

The previous prime is 131802774707. The next prime is 131802774737. The reversal of 131802774720 is 27477208131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68646319 + ... + 68648238.

Almost surely, 2^131802774720 is an apocalyptic number.

131802774720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131802774720 is an abundant number, since it is smaller than the sum of its proper divisors (286671038064).

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

131802774720 is a wasteful number, since it uses less digits than its factorization.

131802774720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137294577 (or 137294567 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 131802774720 in words is "one hundred thirty-one billion, eight hundred two million, seven hundred seventy-four thousand, seven hundred twenty".