131450402 has 8 divisors (see below), whose sum is σ = 198208512. Its totient is φ = 65380900.

The previous prime is 131450377. The next prime is 131450411. The reversal of 131450402 is 204054131.

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

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, 171674 + ... + 172437.

It is an arithmetic number, because the mean of its divisors is an integer number (24776064).

Almost surely, 2^131450402 is an apocalyptic number.

131450402 is a deficient number, since it is larger than the sum of its proper divisors (66758110).

131450402 is a wasteful number, since it uses less digits than its factorization.

131450402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344304.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 131450402 is about 11465.1821616580. The cubic root of 131450402 is about 508.4566981307.

The spelling of 131450402 in words is "one hundred thirty-one million, four hundred fifty thousand, four hundred two".