131900494 has 16 divisors (see below), whose sum is σ = 217489536. Its totient is φ = 59495800.

The previous prime is 131900491. The next prime is 131900513. The reversal of 131900494 is 494009131.

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 7 ways as a sum of consecutive naturals, for example, 20002 + ... + 25765.

It is an arithmetic number, because the mean of its divisors is an integer number (13593096).

Almost surely, 2^131900494 is an apocalyptic number.

131900494 is a deficient number, since it is larger than the sum of its proper divisors (85589042).

131900494 is a wasteful number, since it uses less digits than its factorization.

131900494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45911.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 131900494 is about 11484.7940338519. The cubic root of 131900494 is about 509.0363631205.

The spelling of 131900494 in words is "one hundred thirty-one million, nine hundred thousand, four hundred ninety-four".