131400990720 has 608 divisors, whose sum is σ = 483182899200. Its totient is φ = 33860616192.

The previous prime is 131400990691. The next prime is 131400990769. The reversal of 131400990720 is 27099004131.

It is a super-2 number, since 2×131400990720² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1663303641 + ... + 1663303719.

Almost surely, 2^131400990720 is an apocalyptic number.

131400990720 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 131400990720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241591449600).

131400990720 is an abundant number, since it is smaller than the sum of its proper divisors (351781908480).

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

131400990720 is an frugal number, since it uses more digits than its factorization.

131400990720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

Adding to 131400990720 its reverse (27099004131), we get a palindrome (158499994851).

The spelling of 131400990720 in words is "one hundred thirty-one billion, four hundred million, nine hundred ninety thousand, seven hundred twenty".