131677942 has 32 divisors (see below), whose sum is σ = 229132800. Its totient is φ = 56124000.

The previous prime is 131677927. The next prime is 131677963. The reversal of 131677942 is 249776131.

It is a junction number, because it is equal to n+sod(n) for n = 131677895 and 131677904.

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 in 15 ways as a sum of consecutive naturals, for example, 40659 + ... + 43777.

It is an arithmetic number, because the mean of its divisors is an integer number (7160400).

Almost surely, 2^131677942 is an apocalyptic number.

131677942 is a deficient number, since it is larger than the sum of its proper divisors (97454858).

131677942 is a wasteful number, since it uses less digits than its factorization.

131677942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252.

The product of its digits is 63504, while the sum is 40.

The square root of 131677942 is about 11475.1009581615. The cubic root of 131677942 is about 508.7499076964.

The spelling of 131677942 in words is "one hundred thirty-one million, six hundred seventy-seven thousand, nine hundred forty-two".