131502563740 has 12 divisors (see below), whose sum is σ = 276155383896. Its totient is φ = 52601025488.

The previous prime is 131502563737. The next prime is 131502563789. The reversal of 131502563740 is 47365205131.

It is a self number, because there is not a number n which added to its sum of digits gives 131502563740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3287564074 + ... + 3287564113.

It is an arithmetic number, because the mean of its divisors is an integer number (23012948658).

Almost surely, 2^131502563740 is an apocalyptic number.

131502563740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131502563740 is an abundant number, since it is smaller than the sum of its proper divisors (144652820156).

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

131502563740 is a wasteful number, since it uses less digits than its factorization.

131502563740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575128196 (or 6575128194 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 131502563740 its reverse (47365205131), we get a palindrome (178867768871).

The spelling of 131502563740 in words is "one hundred thirty-one billion, five hundred two million, five hundred sixty-three thousand, seven hundred forty".