135874723 has 4 divisors (see below), whose sum is σ = 135915408. Its totient is φ = 135834040.

The previous prime is 135874721. The next prime is 135874741. The reversal of 135874723 is 327478531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135874723 - 2¹ = 135874721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135874721) 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, 14836 + ... + 22177.

It is an arithmetic number, because the mean of its divisors is an integer number (33978852).

Almost surely, 2^135874723 is an apocalyptic number.

135874723 is a deficient number, since it is larger than the sum of its proper divisors (40685).

135874723 is an equidigital number, since it uses as much as digits as its factorization.

135874723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40684.

The product of its digits is 141120, while the sum is 40.

The square root of 135874723 is about 11656.5313451301. The cubic root of 135874723 is about 514.0983664637.

The spelling of 135874723 in words is "one hundred thirty-five million, eight hundred seventy-four thousand, seven hundred twenty-three".