131634633 has 8 divisors (see below), whose sum is σ = 189013888. Its totient is φ = 81005904.

The previous prime is 131634623. The next prime is 131634647. The reversal of 131634633 is 336436131.

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

It is not a de Polignac number, because 131634633 - 2²² = 127440329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131634633.

It is not an unprimeable number, because it can be changed into a prime (131634623) 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, 1687585 + ... + 1687662.

It is an arithmetic number, because the mean of its divisors is an integer number (23626736).

Almost surely, 2^131634633 is an apocalyptic number.

131634633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131634633 is a deficient number, since it is larger than the sum of its proper divisors (57379255).

131634633 is a wasteful number, since it uses less digits than its factorization.

131634633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375263.

The product of its digits is 11664, while the sum is 30.

The square root of 131634633 is about 11473.2137171762. The cubic root of 131634633 is about 508.6941254713.

The spelling of 131634633 in words is "one hundred thirty-one million, six hundred thirty-four thousand, six hundred thirty-three".