131913802 has 4 divisors (see below), whose sum is σ = 197870706. Its totient is φ = 65956900.

The previous prime is 131913737. The next prime is 131913823. The reversal of 131913802 is 208319131.

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

It can be written as a sum of positive squares in only one way, i.e., 99980001 + 31933801 = 9999^2 + 5651^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32978449 + ... + 32978452.

Almost surely, 2^131913802 is an apocalyptic number.

131913802 is a deficient number, since it is larger than the sum of its proper divisors (65956904).

131913802 is an equidigital number, since it uses as much as digits as its factorization.

131913802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65956903.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 131913802 is about 11485.3733940173. The cubic root of 131913802 is about 509.0534821569.

The spelling of 131913802 in words is "one hundred thirty-one million, nine hundred thirteen thousand, eight hundred two".