131620722360 has 128 divisors (see below), whose sum is σ = 422458675200. Its totient is φ = 32706408960.

The previous prime is 131620722353. The next prime is 131620722413. The reversal of 131620722360 is 63227026131.

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, 334104 + ... + 612263.

It is an arithmetic number, because the mean of its divisors is an integer number (3300458400).

Almost surely, 2^131620722360 is an apocalyptic number.

131620722360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131620722360 is an abundant number, since it is smaller than the sum of its proper divisors (290837952840).

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

131620722360 is a wasteful number, since it uses less digits than its factorization.

131620722360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946461 (or 946457 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

Adding to 131620722360 its reverse (63227026131), we get a palindrome (194847748491).

The spelling of 131620722360 in words is "one hundred thirty-one billion, six hundred twenty million, seven hundred twenty-two thousand, three hundred sixty".