230139105 has 32 divisors (see below), whose sum is σ = 425011968. Its totient is φ = 104160000.

The previous prime is 230139083. The next prime is 230139167. The reversal of 230139105 is 501931032.

It is a happy number.

It is not a de Polignac number, because 230139105 - 2⁹ = 230138593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246 + ... + 21455.

It is an arithmetic number, because the mean of its divisors is an integer number (13281624).

Almost surely, 2^230139105 is an apocalyptic number.

It is an amenable number.

230139105 is a deficient number, since it is larger than the sum of its proper divisors (194872863).

230139105 is a wasteful number, since it uses less digits than its factorization.

230139105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21817.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 230139105 is about 15170.3363509185. The cubic root of 230139105 is about 612.8160623390.

The spelling of 230139105 in words is "two hundred thirty million, one hundred thirty-nine thousand, one hundred five".