132765538637 has 4 divisors (see below), whose sum is σ = 136353796476. Its totient is φ = 129177280800.

The previous prime is 132765538589. The next prime is 132765538691. The reversal of 132765538637 is 736835567231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 736835567231 = 32957 ⋅22357483.

It can be written as a sum of positive squares in 2 ways, for example, as 85627049641 + 47138488996 = 292621^2 + 217114^2 .

It is a cyclic number.

It is not a de Polignac number, because 132765538637 - 2¹⁸ = 132765276493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132765538237) 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, 1794128864 + ... + 1794128937.

It is an arithmetic number, because the mean of its divisors is an integer number (34088449119).

Almost surely, 2^132765538637 is an apocalyptic number.

It is an amenable number.

132765538637 is a deficient number, since it is larger than the sum of its proper divisors (3588257839).

132765538637 is an equidigital number, since it uses as much as digits as its factorization.

132765538637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588257838.

The product of its digits is 19051200, while the sum is 56.

The spelling of 132765538637 in words is "one hundred thirty-two billion, seven hundred sixty-five million, five hundred thirty-eight thousand, six hundred thirty-seven".