131354371520 has 112 divisors (see below), whose sum is σ = 320048046720. Its totient is φ = 51333129216.

The previous prime is 131354371517. The next prime is 131354371531. The reversal of 131354371520 is 25173453131.

It is a super-2 number, since 2×131354371520² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3056099 + ... + 3098781.

Almost surely, 2^131354371520 is an apocalyptic number.

131354371520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131354371520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160024023360).

131354371520 is an abundant number, since it is smaller than the sum of its proper divisors (188693675200).

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

131354371520 is a wasteful number, since it uses less digits than its factorization.

131354371520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42922 (or 42912 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 131354371520 in words is "one hundred thirty-one billion, three hundred fifty-four million, three hundred seventy-one thousand, five hundred twenty".