131553280 has 96 divisors (see below), whose sum is σ = 327272400. Its totient is φ = 50692096.

The previous prime is 131553269. The next prime is 131553281. The reversal of 131553280 is 82355131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131553281) 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, 296739 + ... + 297181.

Almost surely, 2^131553280 is an apocalyptic number.

131553280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131553280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163636200).

131553280 is an abundant number, since it is smaller than the sum of its proper divisors (195719120).

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

131553280 is an equidigital number, since it uses as much as digits as its factorization.

131553280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 131553280 is about 11469.6678243095. The cubic root of 131553280 is about 508.5893092829.

The spelling of 131553280 in words is "one hundred thirty-one million, five hundred fifty-three thousand, two hundred eighty".