131707435478 has 8 divisors (see below), whose sum is σ = 197742905472. Its totient is φ = 65793133656.

The previous prime is 131707435441. The next prime is 131707435511. The reversal of 131707435478 is 874534707131.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30289325 + ... + 30293672.

It is an arithmetic number, because the mean of its divisors is an integer number (24717863184).

Almost surely, 2^131707435478 is an apocalyptic number.

131707435478 is a deficient number, since it is larger than the sum of its proper divisors (66035469994).

131707435478 is a wasteful number, since it uses less digits than its factorization.

131707435478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60584086.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 131707435478 in words is "one hundred thirty-one billion, seven hundred seven million, four hundred thirty-five thousand, four hundred seventy-eight".