131634406 has 8 divisors (see below), whose sum is σ = 198012024. Its totient is φ = 65630400.

The previous prime is 131634389. The next prime is 131634421. The reversal of 131634406 is 604436131.

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, 92520 + ... + 93931.

It is an arithmetic number, because the mean of its divisors is an integer number (24751503).

Almost surely, 2^131634406 is an apocalyptic number.

131634406 is a deficient number, since it is larger than the sum of its proper divisors (66377618).

131634406 is a wasteful number, since it uses less digits than its factorization.

131634406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186806.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 131634406 is about 11473.2038245644. The cubic root of 131634406 is about 508.6938330618.

The spelling of 131634406 in words is "one hundred thirty-one million, six hundred thirty-four thousand, four hundred six".