258133994 has 8 divisors (see below), whose sum is σ = 388317888. Its totient is φ = 128694700.

The previous prime is 258133949. The next prime is 258133999. The reversal of 258133994 is 499331852.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (258133999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185282 + ... + 186669.

It is an arithmetic number, because the mean of its divisors is an integer number (48539736).

Almost surely, 2^258133994 is an apocalyptic number.

258133994 is a deficient number, since it is larger than the sum of its proper divisors (130183894).

258133994 is a wasteful number, since it uses less digits than its factorization.

258133994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372300.

The product of its digits is 233280, while the sum is 44.

The square root of 258133994 is about 16066.5489138147. The cubic root of 258133994 is about 636.7198661112.

The spelling of 258133994 in words is "two hundred fifty-eight million, one hundred thirty-three thousand, nine hundred ninety-four".