131776342 has 4 divisors (see below), whose sum is σ = 197664516. Its totient is φ = 65888170.

The previous prime is 131776339. The next prime is 131776357. The reversal of 131776342 is 243677131.

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

It is a junction number, because it is equal to n+sod(n) for n = 131776298 and 131776307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32944084 + ... + 32944087.

It is an arithmetic number, because the mean of its divisors is an integer number (49416129).

Almost surely, 2^131776342 is an apocalyptic number.

131776342 is a deficient number, since it is larger than the sum of its proper divisors (65888174).

131776342 is an equidigital number, since it uses as much as digits as its factorization.

131776342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65888173.

The product of its digits is 21168, while the sum is 34.

The square root of 131776342 is about 11479.3877014412. The cubic root of 131776342 is about 508.8766019767.

The spelling of 131776342 in words is "one hundred thirty-one million, seven hundred seventy-six thousand, three hundred forty-two".