132893281 has 8 divisors (see below), whose sum is σ = 133689600. Its totient is φ = 132100080.

The previous prime is 132893279. The next prime is 132893303. The reversal of 132893281 is 182398231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132893281 - 2¹ = 132893279 is a prime.

It is a super-2 number, since 2×132893281² = 35321248269889922, 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 132893281.

It is not an unprimeable number, because it can be changed into a prime (132893221) 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, 201330 + ... + 201988.

It is an arithmetic number, because the mean of its divisors is an integer number (16711200).

Almost surely, 2^132893281 is an apocalyptic number.

It is an amenable number.

132893281 is a deficient number, since it is larger than the sum of its proper divisors (796319).

132893281 is an equidigital number, since it uses as much as digits as its factorization.

132893281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559.

The product of its digits is 20736, while the sum is 37.

The square root of 132893281 is about 11527.9348107109. The cubic root of 132893281 is about 510.3103083999.

The spelling of 132893281 in words is "one hundred thirty-two million, eight hundred ninety-three thousand, two hundred eighty-one".