131453806 has 8 divisors (see below), whose sum is σ = 215106264. Its totient is φ = 59751720.

The previous prime is 131453797. The next prime is 131453821. The reversal of 131453806 is 608354131.

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

It is a super-2 number, since 2×131453806² = 34560206223771272, which contains 22 as substring.

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, 2987565 + ... + 2987608.

It is an arithmetic number, because the mean of its divisors is an integer number (26888283).

Almost surely, 2^131453806 is an apocalyptic number.

131453806 is a deficient number, since it is larger than the sum of its proper divisors (83652458).

131453806 is a wasteful number, since it uses less digits than its factorization.

131453806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975186.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 131453806 is about 11465.3306101481. The cubic root of 131453806 is about 508.4610870400.

The spelling of 131453806 in words is "one hundred thirty-one million, four hundred fifty-three thousand, eight hundred six".