132581823 has 64 divisors (see below), whose sum is σ = 212889600. Its totient is φ = 72576000.

The previous prime is 132581819. The next prime is 132581833. The reversal of 132581823 is 328185231.

It is not a de Polignac number, because 132581823 - 2² = 132581819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132581803) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1216293 + ... + 1216401.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 2^132581823 is an apocalyptic number.

132581823 is a deficient number, since it is larger than the sum of its proper divisors (80307777).

132581823 is a wasteful number, since it uses less digits than its factorization.

132581823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its digits is 11520, while the sum is 33.

The square root of 132581823 is about 11514.4180486901. The cubic root of 132581823 is about 509.9113302209.

The spelling of 132581823 in words is "one hundred thirty-two million, five hundred eighty-one thousand, eight hundred twenty-three".