132440591 has 4 divisors (see below), whose sum is σ = 140231232. Its totient is φ = 124649952.

The previous prime is 132440579. The next prime is 132440611. The reversal of 132440591 is 195044231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132440591 - 2¹⁴ = 132424207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132445591) 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, 3895295 + ... + 3895328.

It is an arithmetic number, because the mean of its divisors is an integer number (35057808).

Almost surely, 2^132440591 is an apocalyptic number.

132440591 is a deficient number, since it is larger than the sum of its proper divisors (7790641).

132440591 is an equidigital number, since it uses as much as digits as its factorization.

132440591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790640.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 132440591 is about 11508.2835818379. The cubic root of 132440591 is about 509.7302058858.

The spelling of 132440591 in words is "one hundred thirty-two million, four hundred forty thousand, five hundred ninety-one".