230391135 has 40 divisors (see below), whose sum is σ = 444776640. Its totient is φ = 113420736.

The previous prime is 230391107. The next prime is 230391137. The reversal of 230391135 is 531193032.

It is a happy number.

It is not a de Polignac number, because 230391135 - 2⁵ = 230391103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 230391099 and 230391108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230391137) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16615 + ... + 27144.

It is an arithmetic number, because the mean of its divisors is an integer number (11119416).

Almost surely, 2^230391135 is an apocalyptic number.

230391135 is a deficient number, since it is larger than the sum of its proper divisors (214385505).

230391135 is a wasteful number, since it uses less digits than its factorization.

230391135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43789 (or 43780 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 230391135 is about 15178.6407494215. The cubic root of 230391135 is about 613.0396831599.

The spelling of 230391135 in words is "two hundred thirty million, three hundred ninety-one thousand, one hundred thirty-five".