135833123 has 4 divisors (see below), whose sum is σ = 139146168. Its totient is φ = 132520080.

The previous prime is 135833099. The next prime is 135833141. The reversal of 135833123 is 321338531.

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-135833123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135833023) 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, 1656461 + ... + 1656542.

It is an arithmetic number, because the mean of its divisors is an integer number (34786542).

Almost surely, 2^135833123 is an apocalyptic number.

135833123 is a deficient number, since it is larger than the sum of its proper divisors (3313045).

135833123 is an equidigital number, since it uses as much as digits as its factorization.

135833123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313044.

The product of its digits is 6480, while the sum is 29.

The square root of 135833123 is about 11654.7468011965. The cubic root of 135833123 is about 514.0458949062.

The spelling of 135833123 in words is "one hundred thirty-five million, eight hundred thirty-three thousand, one hundred twenty-three".