131690088478 has 8 divisors (see below), whose sum is σ = 212730142968. Its totient is φ = 60780040824.

The previous prime is 131690088427. The next prime is 131690088533. The reversal of 131690088478 is 874880096131.

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

It is a congruent number.

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, 2532501676 + ... + 2532501727.

It is an arithmetic number, because the mean of its divisors is an integer number (26591267871).

Almost surely, 2^131690088478 is an apocalyptic number.

131690088478 is a deficient number, since it is larger than the sum of its proper divisors (81040054490).

131690088478 is a wasteful number, since it uses less digits than its factorization.

131690088478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065003418.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 131690088478 in words is "one hundred thirty-one billion, six hundred ninety million, eighty-eight thousand, four hundred seventy-eight".