131436984 has 64 divisors (see below), whose sum is σ = 395308800. Its totient is φ = 35576064.

The previous prime is 131436983. The next prime is 131437027. The reversal of 131436984 is 489634131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131436983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17397 + ... + 23780.

It is an arithmetic number, because the mean of its divisors is an integer number (6176700).

Almost surely, 2^131436984 is an apocalyptic number.

131436984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131436984 is an abundant number, since it is smaller than the sum of its proper divisors (263871816).

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

131436984 is a wasteful number, since it uses less digits than its factorization.

131436984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41212 (or 41208 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 131436984 is about 11464.5969837583. The cubic root of 131436984 is about 508.4393970447.

The spelling of 131436984 in words is "one hundred thirty-one million, four hundred thirty-six thousand, nine hundred eighty-four".