135310723 has 16 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 120869280.

The previous prime is 135310717. The next prime is 135310733. The reversal of 135310723 is 327013531.

It is a cyclic number.

It is not a de Polignac number, because 135310723 - 2²¹ = 133213571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135310733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20838 + ... + 26548.

It is an arithmetic number, because the mean of its divisors is an integer number (9424800).

Almost surely, 2^135310723 is an apocalyptic number.

135310723 is a deficient number, since it is larger than the sum of its proper divisors (15486077).

135310723 is a wasteful number, since it uses less digits than its factorization.

135310723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5802.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 135310723 is about 11632.3137423300. The cubic root of 135310723 is about 513.3860593599.

The spelling of 135310723 in words is "one hundred thirty-five million, three hundred ten thousand, seven hundred twenty-three".