132787439 has 4 divisors (see below), whose sum is σ = 132921624. Its totient is φ = 132653256.

The previous prime is 132787381. The next prime is 132787451. The reversal of 132787439 is 934787231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934787231 = 7 ⋅133541033.

It is a cyclic number.

It is not a de Polignac number, because 132787439 - 2⁸ = 132787183 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 132787439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132787939) 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, 65597 + ... + 67590.

It is an arithmetic number, because the mean of its divisors is an integer number (33230406).

Almost surely, 2^132787439 is an apocalyptic number.

132787439 is a deficient number, since it is larger than the sum of its proper divisors (134185).

132787439 is an equidigital number, since it uses as much as digits as its factorization.

132787439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134184.

The product of its digits is 254016, while the sum is 44.

The square root of 132787439 is about 11523.3432214787. The cubic root of 132787439 is about 510.1747946281.

The spelling of 132787439 in words is "one hundred thirty-two million, seven hundred eighty-seven thousand, four hundred thirty-nine".