131084658 has 12 divisors (see below), whose sum is σ = 284016798. Its totient is φ = 43694880.

The previous prime is 131084651. The next prime is 131084663. The reversal of 131084658 is 856480131.

It can be written as a sum of positive squares in only one way, i.e., 117223929 + 13860729 = 10827^2 + 3723^2 .

It is not an unprimeable number, because it can be changed into a prime (131084651) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3641223 + ... + 3641258.

Almost surely, 2^131084658 is an apocalyptic number.

131084658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

131084658 is an abundant number, since it is smaller than the sum of its proper divisors (152932140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131084658 is a wasteful number, since it uses less digits than its factorization.

131084658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282489 (or 7282486 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 131084658 is about 11449.2208468524. The cubic root of 131084658 is about 507.9846880912.

It can be divided in two parts, 13108 and 4658, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 131084658 in words is "one hundred thirty-one million, eighty-four thousand, six hundred fifty-eight".