132144439 has 4 divisors (see below), whose sum is σ = 151022224. Its totient is φ = 113266656.

The previous prime is 132144431. The next prime is 132144443. The reversal of 132144439 is 934441231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934441231 = 1609 ⋅580759.

It is a cyclic number.

It is not a de Polignac number, because 132144439 - 2³ = 132144431 is a prime.

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 132144439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132144431) 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, 9438882 + ... + 9438895.

It is an arithmetic number, because the mean of its divisors is an integer number (37755556).

Almost surely, 2^132144439 is an apocalyptic number.

132144439 is a deficient number, since it is larger than the sum of its proper divisors (18877785).

132144439 is an equidigital number, since it uses as much as digits as its factorization.

132144439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18877784.

The product of its digits is 10368, while the sum is 31.

The square root of 132144439 is about 11495.4094750905. The cubic root of 132144439 is about 509.3499843888.

The spelling of 132144439 in words is "one hundred thirty-two million, one hundred forty-four thousand, four hundred thirty-nine".