136028923 has 8 divisors (see below), whose sum is σ = 149414400. Its totient is φ = 123266088.

The previous prime is 136028891. The next prime is 136028929. The reversal of 136028923 is 329820631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136028923 - 2⁵ = 136028891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136028929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155203 + ... + 156076.

It is an arithmetic number, because the mean of its divisors is an integer number (18676800).

Almost surely, 2^136028923 is an apocalyptic number.

136028923 is a deficient number, since it is larger than the sum of its proper divisors (13385477).

136028923 is a wasteful number, since it uses less digits than its factorization.

136028923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311321.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 136028923 is about 11663.1437871613. The cubic root of 136028923 is about 514.2927710268.

The spelling of 136028923 in words is "one hundred thirty-six million, twenty-eight thousand, nine hundred twenty-three".