131738280 has 32 divisors (see below), whose sum is σ = 395215200. Its totient is φ = 35130176.

The previous prime is 131738261. The next prime is 131738297. The reversal of 131738280 is 82837131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548790 + ... + 549029.

It is an arithmetic number, because the mean of its divisors is an integer number (12350475).

Almost surely, 2^131738280 is an apocalyptic number.

131738280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131738280 is an abundant number, since it is smaller than the sum of its proper divisors (263476920).

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

131738280 is a wasteful number, since it uses less digits than its factorization.

131738280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097833 (or 1097829 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 131738280 is about 11477.7297406761. The cubic root of 131738280 is about 508.8276029782.

The spelling of 131738280 in words is "one hundred thirty-one million, seven hundred thirty-eight thousand, two hundred eighty".