135822923 has 4 divisors (see below), whose sum is σ = 136406088. Its totient is φ = 135239760.

The previous prime is 135822917. The next prime is 135822961. The reversal of 135822923 is 329228531.

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 135822923 - 2⁸ = 135822667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135822913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291233 + ... + 291698.

It is an arithmetic number, because the mean of its divisors is an integer number (34101522).

Almost surely, 2^135822923 is an apocalyptic number.

135822923 is a deficient number, since it is larger than the sum of its proper divisors (583165).

135822923 is an equidigital number, since it uses as much as digits as its factorization.

135822923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583164.

The product of its digits is 25920, while the sum is 35.

The square root of 135822923 is about 11654.3092030373. The cubic root of 135822923 is about 514.0330276486.

The spelling of 135822923 in words is "one hundred thirty-five million, eight hundred twenty-two thousand, nine hundred twenty-three".