131817093 has 16 divisors (see below), whose sum is σ = 185690880. Its totient is φ = 83039936.

The previous prime is 131817067. The next prime is 131817097. The reversal of 131817093 is 390718131.

It is a cyclic number.

It is not a de Polignac number, because 131817093 - 2⁵ = 131817061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131817097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12030 + ... + 20207.

It is an arithmetic number, because the mean of its divisors is an integer number (11605680).

Almost surely, 2^131817093 is an apocalyptic number.

It is an amenable number.

131817093 is a deficient number, since it is larger than the sum of its proper divisors (53873787).

131817093 is a wasteful number, since it uses less digits than its factorization.

131817093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32316.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 131817093 is about 11481.1625282460. The cubic root of 131817093 is about 508.9290521935.

The spelling of 131817093 in words is "one hundred thirty-one million, eight hundred seventeen thousand, ninety-three".