131508064732 has 24 divisors (see below), whose sum is σ = 251585026560. Its totient is φ = 59651589360.

The previous prime is 131508064661. The next prime is 131508064739. The reversal of 131508064732 is 237460805131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131508064739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3098778 + ... + 3140929.

It is an arithmetic number, because the mean of its divisors is an integer number (10482709440).

Almost surely, 2^131508064732 is an apocalyptic number.

It is an amenable number.

131508064732 is a deficient number, since it is larger than the sum of its proper divisors (120076961828).

131508064732 is a wasteful number, since it uses less digits than its factorization.

131508064732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240201 (or 6240199 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

Adding to 131508064732 its reverse (237460805131), we get a palindrome (368968869863).

The spelling of 131508064732 in words is "one hundred thirty-one billion, five hundred eight million, sixty-four thousand, seven hundred thirty-two".