131947805429 has 8 divisors (see below), whose sum is σ = 143945804160. Its totient is φ = 119950264000.

The previous prime is 131947805383. The next prime is 131947805459. The reversal of 131947805429 is 924508749131.

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

It is a cyclic number.

It is not a de Polignac number, because 131947805429 - 2⁸ = 131947805173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131947805459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823517 + ... + 970605.

It is an arithmetic number, because the mean of its divisors is an integer number (17993225520).

Almost surely, 2^131947805429 is an apocalyptic number.

It is an amenable number.

131947805429 is a deficient number, since it is larger than the sum of its proper divisors (11997998731).

131947805429 is a wasteful number, since it uses less digits than its factorization.

131947805429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228651.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 131947805429 in words is "one hundred thirty-one billion, nine hundred forty-seven million, eight hundred five thousand, four hundred twenty-nine".