131900493 has 16 divisors (see below), whose sum is σ = 177993216. Its totient is φ = 86876160.

The previous prime is 131900491. The next prime is 131900513. The reversal of 131900493 is 394009131.

It is not a de Polignac number, because 131900493 - 2¹ = 131900491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131900493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131900491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205453 + ... + 206093.

It is an arithmetic number, because the mean of its divisors is an integer number (11124576).

Almost surely, 2^131900493 is an apocalyptic number.

It is an amenable number.

131900493 is a deficient number, since it is larger than the sum of its proper divisors (46092723).

131900493 is a wasteful number, since it uses less digits than its factorization.

131900493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 131900493 is about 11484.7939903161. The cubic root of 131900493 is about 509.0363618340.

The spelling of 131900493 in words is "one hundred thirty-one million, nine hundred thousand, four hundred ninety-three".