131940662558 has 16 divisors (see below), whose sum is σ = 206523703296. Its totient is φ = 63099647160.

The previous prime is 131940662537. The next prime is 131940662587. The reversal of 131940662558 is 855266049131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1962935 + ... + 2029037.

It is an arithmetic number, because the mean of its divisors is an integer number (12907731456).

Almost surely, 2^131940662558 is an apocalyptic number.

131940662558 is a deficient number, since it is larger than the sum of its proper divisors (74583040738).

131940662558 is a wasteful number, since it uses less digits than its factorization.

131940662558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109519.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 131940662558 in words is "one hundred thirty-one billion, nine hundred forty million, six hundred sixty-two thousand, five hundred fifty-eight".