131403157120 has 128 divisors (see below), whose sum is σ = 324839808000. Its totient is φ = 50776227840.

The previous prime is 131403157111. The next prime is 131403157133. The reversal of 131403157120 is 21751304131.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×131403157120² (a number of 23 digits) contains 22 as substring.

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, 11878632 + ... + 11889688.

It is an arithmetic number, because the mean of its divisors is an integer number (2537811000).

Almost surely, 2^131403157120 is an apocalyptic number.

131403157120 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 131403157120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162419904000).

131403157120 is an abundant number, since it is smaller than the sum of its proper divisors (193436650880).

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

131403157120 is a wasteful number, since it uses less digits than its factorization.

131403157120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11706 (or 11694 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 131403157120 in words is "one hundred thirty-one billion, four hundred three million, one hundred fifty-seven thousand, one hundred twenty".