131418646 has 16 divisors (see below), whose sum is σ = 200581920. Its totient is φ = 64567360.

The previous prime is 131418613. The next prime is 131418647. The reversal of 131418646 is 646814131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131418647) 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, 27516 + ... + 31936.

It is an arithmetic number, because the mean of its divisors is an integer number (12536370).

Almost surely, 2^131418646 is an apocalyptic number.

131418646 is a deficient number, since it is larger than the sum of its proper divisors (69163274).

131418646 is a wasteful number, since it uses less digits than its factorization.

131418646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679.

The product of its digits is 13824, while the sum is 34.

The square root of 131418646 is about 11463.7971894133. The cubic root of 131418646 is about 508.4157502369.

The spelling of 131418646 in words is "one hundred thirty-one million, four hundred eighteen thousand, six hundred forty-six".