258134929 has 4 divisors (see below), whose sum is σ = 277991476. Its totient is φ = 238278384.

The previous prime is 258134927. The next prime is 258135019. The reversal of 258134929 is 929431852.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64368529 + 193766400 = 8023^2 + 13920^2 .

It is a cyclic number.

It is not a de Polignac number, because 258134929 - 2¹ = 258134927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258134927) 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, 9928254 + ... + 9928279.

It is an arithmetic number, because the mean of its divisors is an integer number (69497869).

Almost surely, 2^258134929 is an apocalyptic number.

It is an amenable number.

258134929 is a deficient number, since it is larger than the sum of its proper divisors (19856547).

258134929 is a wasteful number, since it uses less digits than its factorization.

258134929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19856546.

The product of its digits is 155520, while the sum is 43.

The square root of 258134929 is about 16066.5780115120. The cubic root of 258134929 is about 636.7206348752.

The spelling of 258134929 in words is "two hundred fifty-eight million, one hundred thirty-four thousand, nine hundred twenty-nine".