230091139 has 8 divisors (see below), whose sum is σ = 235913328. Its totient is φ = 224279040.

The previous prime is 230091119. The next prime is 230091161. The reversal of 230091139 is 931190032.

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 230091139 - 2¹⁷ = 229960067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230091119) 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, 67924 + ... + 71230.

It is an arithmetic number, because the mean of its divisors is an integer number (29489166).

Almost surely, 2^230091139 is an apocalyptic number.

230091139 is a deficient number, since it is larger than the sum of its proper divisors (5822189).

230091139 is a wasteful number, since it uses less digits than its factorization.

230091139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 230091139 is about 15168.7553543460. The cubic root of 230091139 is about 612.7734846444.

It can be divided in two parts, 2300 and 91139, that added together give a palindrome (93439).

The spelling of 230091139 in words is "two hundred thirty million, ninety-one thousand, one hundred thirty-nine".