131340782 has 4 divisors (see below), whose sum is σ = 197011176. Its totient is φ = 65670390.

The previous prime is 131340773. The next prime is 131340799. The reversal of 131340782 is 287043131.

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, 32835194 + ... + 32835197.

It is an arithmetic number, because the mean of its divisors is an integer number (49252794).

Almost surely, 2^131340782 is an apocalyptic number.

131340782 is a deficient number, since it is larger than the sum of its proper divisors (65670394).

131340782 is an equidigital number, since it uses as much as digits as its factorization.

131340782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65670393.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 131340782 is about 11460.4006038183. The cubic root of 131340782 is about 508.3153202850.

The spelling of 131340782 in words is "one hundred thirty-one million, three hundred forty thousand, seven hundred eighty-two".