131900533 has 4 divisors (see below), whose sum is σ = 133570240. Its totient is φ = 130230828.

The previous prime is 131900513. The next prime is 131900537. The reversal of 131900533 is 335009131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131900533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131900498 and 131900507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131900537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834735 + ... + 834892.

It is an arithmetic number, because the mean of its divisors is an integer number (33392560).

Almost surely, 2^131900533 is an apocalyptic number.

It is an amenable number.

131900533 is a deficient number, since it is larger than the sum of its proper divisors (1669707).

131900533 is an equidigital number, since it uses as much as digits as its factorization.

131900533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669706.

The product of its (nonzero) digits is 1215, while the sum is 25.

The square root of 131900533 is about 11484.7957317490. The cubic root of 131900533 is about 509.0364132906.

Adding to 131900533 its reverse (335009131), we get a palindrome (466909664).

The spelling of 131900533 in words is "one hundred thirty-one million, nine hundred thousand, five hundred thirty-three".