258564134 has 8 divisors (see below), whose sum is σ = 387915480. Its totient is φ = 129258976.

The previous prime is 258564133. The next prime is 258564139. The reversal of 258564134 is 431465852.

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

It is a super-2 number, since 2×258564134² = 133710822782339912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258564133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12302 + ... + 25854.

It is an arithmetic number, because the mean of its divisors is an integer number (48489435).

Almost surely, 2^258564134 is an apocalyptic number.

258564134 is a deficient number, since it is larger than the sum of its proper divisors (129351346).

258564134 is a wasteful number, since it uses less digits than its factorization.

258564134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23094.

The product of its digits is 115200, while the sum is 38.

The square root of 258564134 is about 16079.9295396466. The cubic root of 258564134 is about 637.0733346003.

The spelling of 258564134 in words is "two hundred fifty-eight million, five hundred sixty-four thousand, one hundred thirty-four".