135417652723 has 4 divisors (see below), whose sum is σ = 135511239280. Its totient is φ = 135324066168.

The previous prime is 135417652679. The next prime is 135417652771. The reversal of 135417652723 is 327256714531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135417652723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135417692723) 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, 46791108 + ... + 46794001.

It is an arithmetic number, because the mean of its divisors is an integer number (33877809820).

Almost surely, 2^135417652723 is an apocalyptic number.

135417652723 is a deficient number, since it is larger than the sum of its proper divisors (93586557).

135417652723 is an equidigital number, since it uses as much as digits as its factorization.

135417652723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93586556.

The product of its digits is 1058400, while the sum is 46.

It can be divided in two parts, 135417 and 652723, that added together give a triangular number (788140 = T₁₂₅₅).

The spelling of 135417652723 in words is "one hundred thirty-five billion, four hundred seventeen million, six hundred fifty-two thousand, seven hundred twenty-three".