258026134 has 4 divisors (see below), whose sum is σ = 387039204. Its totient is φ = 129013066.

The previous prime is 258026129. The next prime is 258026143. The reversal of 258026134 is 431620852.

258026134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 258026096 and 258026105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64506532 + ... + 64506535.

It is an arithmetic number, because the mean of its divisors is an integer number (96759801).

Almost surely, 2^258026134 is an apocalyptic number.

258026134 is a deficient number, since it is larger than the sum of its proper divisors (129013070).

258026134 is a wasteful number, since it uses less digits than its factorization.

258026134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129013069.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 258026134 is about 16063.1918994949. The cubic root of 258026134 is about 636.6311703512.

Adding to 258026134 its reverse (431620852), we get a palindrome (689646986).

The spelling of 258026134 in words is "two hundred fifty-eight million, twenty-six thousand, one hundred thirty-four".