131379946 has 16 divisors (see below), whose sum is σ = 211858560. Its totient is φ = 60907680.

The previous prime is 131379943. The next prime is 131379977. The reversal of 131379946 is 649973131.

It is not an unprimeable number, because it can be changed into a prime (131379943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34995 + ... + 38566.

It is an arithmetic number, because the mean of its divisors is an integer number (13241160).

Almost surely, 2^131379946 is an apocalyptic number.

131379946 is a deficient number, since it is larger than the sum of its proper divisors (80478614).

131379946 is a wasteful number, since it uses less digits than its factorization.

131379946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73629.

The product of its digits is 122472, while the sum is 43.

The square root of 131379946 is about 11462.1091427363. The cubic root of 131379946 is about 508.3658394573.

The spelling of 131379946 in words is "one hundred thirty-one million, three hundred seventy-nine thousand, nine hundred forty-six".