132488281 has 4 divisors (see below), whose sum is σ = 133281792. Its totient is φ = 131694772.

The previous prime is 132488263. The next prime is 132488309. The reversal of 132488281 is 182884231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 132488281 - 2⁵ = 132488249 is a prime.

It is a super-2 number, since 2×132488281² = 35106289204669922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132488281.

It is not an unprimeable number, because it can be changed into a prime (132488381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396505 + ... + 396838.

It is an arithmetic number, because the mean of its divisors is an integer number (33320448).

Almost surely, 2^132488281 is an apocalyptic number.

It is an amenable number.

132488281 is a deficient number, since it is larger than the sum of its proper divisors (793511).

132488281 is an equidigital number, since it uses as much as digits as its factorization.

132488281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793510.

The product of its digits is 24576, while the sum is 37.

The square root of 132488281 is about 11510.3553811340. The cubic root of 132488281 is about 509.7913807772.

The spelling of 132488281 in words is "one hundred thirty-two million, four hundred eighty-eight thousand, two hundred eighty-one".