131900623 has 8 divisors (see below), whose sum is σ = 134719200. Its totient is φ = 129094368.

The previous prime is 131900617. The next prime is 131900663. The reversal of 131900623 is 326009131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131900623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131900663) 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 7 ways as a sum of consecutive naturals, for example, 20433 + ... + 26101.

It is an arithmetic number, because the mean of its divisors is an integer number (16839900).

Almost surely, 2^131900623 is an apocalyptic number.

131900623 is a deficient number, since it is larger than the sum of its proper divisors (2818577).

131900623 is an equidigital number, since it uses as much as digits as its factorization.

131900623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 131900623 is about 11484.7996499721. The cubic root of 131900623 is about 509.0365290680.

Adding to 131900623 its reverse (326009131), we get a palindrome (457909754).

The spelling of 131900623 in words is "one hundred thirty-one million, nine hundred thousand, six hundred twenty-three".