131895902 has 4 divisors (see below), whose sum is σ = 197843856. Its totient is φ = 65947950.

The previous prime is 131895817. The next prime is 131895923. The reversal of 131895902 is 209598131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32973974 + ... + 32973977.

It is an arithmetic number, because the mean of its divisors is an integer number (49460964).

Almost surely, 2^131895902 is an apocalyptic number.

131895902 is a deficient number, since it is larger than the sum of its proper divisors (65947954).

131895902 is an equidigital number, since it uses as much as digits as its factorization.

131895902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65947953.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 131895902 is about 11484.5941155968. The cubic root of 131895902 is about 509.0304558337.

It can be divided in two parts, 13189 and 5902, that added together give a palindrome (19091).

The spelling of 131895902 in words is "one hundred thirty-one million, eight hundred ninety-five thousand, nine hundred two".