131344678 has 8 divisors (see below), whose sum is σ = 199390968. Its totient is φ = 64881024.

The previous prime is 131344639. The next prime is 131344691. The reversal of 131344678 is 876443131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395451 + ... + 395782.

It is an arithmetic number, because the mean of its divisors is an integer number (24923871).

Almost surely, 2^131344678 is an apocalyptic number.

131344678 is a deficient number, since it is larger than the sum of its proper divisors (68046290).

131344678 is an equidigital number, since it uses as much as digits as its factorization.

131344678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791318.

The product of its digits is 48384, while the sum is 37.

The square root of 131344678 is about 11460.5705791640. The cubic root of 131344678 is about 508.3203463373.

The spelling of 131344678 in words is "one hundred thirty-one million, three hundred forty-four thousand, six hundred seventy-eight".