131513429608 has 24 divisors (see below), whose sum is σ = 271042659090. Its totient is φ = 59778831200.

The previous prime is 131513429591. The next prime is 131513429609. The reversal of 131513429608 is 806924315131.

It can be written as a sum of positive squares in only one way, i.e., 72405122724 + 59108306884 = 269082^2 + 243122^2 .

It is not an unprimeable number, because it can be changed into a prime (131513429609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67929523 + ... + 67931458.

Almost surely, 2^131513429608 is an apocalyptic number.

It is an amenable number.

131513429608 is an abundant number, since it is smaller than the sum of its proper divisors (139529229482).

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

131513429608 is a wasteful number, since it uses less digits than its factorization.

131513429608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135861009 (or 135860994 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 131513429608 in words is "one hundred thirty-one billion, five hundred thirteen million, four hundred twenty-nine thousand, six hundred eight".