131810480 has 40 divisors (see below), whose sum is σ = 313594512. Its totient is φ = 51496704.

The previous prime is 131810477. The next prime is 131810491. The reversal of 131810480 is 84018131.

It is a tau number, because it is divible by the number of its divisors (40).

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, 15719 + ... + 22598.

Almost surely, 2^131810480 is an apocalyptic number.

131810480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131810480 is an abundant number, since it is smaller than the sum of its proper divisors (181784032).

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

131810480 is a wasteful number, since it uses less digits than its factorization.

131810480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38373 (or 38367 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 131810480 is about 11480.8745311496. The cubic root of 131810480 is about 508.9205414002.

The spelling of 131810480 in words is "one hundred thirty-one million, eight hundred ten thousand, four hundred eighty".