131887506458 has 8 divisors (see below), whose sum is σ = 197834770560. Its totient is φ = 65942582940.

The previous prime is 131887506449. The next prime is 131887506461. The reversal of 131887506458 is 854605788131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436748 + ... + 674183.

It is an arithmetic number, because the mean of its divisors is an integer number (24729346320).

Almost surely, 2^131887506458 is an apocalyptic number.

131887506458 is a deficient number, since it is larger than the sum of its proper divisors (65947264102).

131887506458 is a wasteful number, since it uses less digits than its factorization.

131887506458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170292.

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 131887506458 in words is "one hundred thirty-one billion, eight hundred eighty-seven million, five hundred six thousand, four hundred fifty-eight".