132765639 has 8 divisors (see below), whose sum is σ = 181137792. Its totient is φ = 86451960.

The previous prime is 132765629. The next prime is 132765641. The reversal of 132765639 is 936567231.

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

It is not a de Polignac number, because 132765639 - 2²¹ = 130668487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132765639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132765629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514467 + ... + 514724.

It is an arithmetic number, because the mean of its divisors is an integer number (22642224).

Almost surely, 2^132765639 is an apocalyptic number.

132765639 is a deficient number, since it is larger than the sum of its proper divisors (48372153).

132765639 is a wasteful number, since it uses less digits than its factorization.

132765639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029237.

The product of its digits is 204120, while the sum is 42.

The square root of 132765639 is about 11522.3972766087. The cubic root of 132765639 is about 510.1468742684.

It can be divided in two parts, 13276 and 5639, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 132765639 in words is "one hundred thirty-two million, seven hundred sixty-five thousand, six hundred thirty-nine".