258135132 has 24 divisors (see below), whose sum is σ = 602582400. Its totient is φ = 86006896.

The previous prime is 258135131. The next prime is 258135167. The reversal of 258135132 is 231531852.

It is a self number, because there is not a number n which added to its sum of digits gives 258135132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258135131) 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, 40969 + ... + 46847.

It is an arithmetic number, because the mean of its divisors is an integer number (25107600).

Almost surely, 2^258135132 is an apocalyptic number.

It is an amenable number.

258135132 is an abundant number, since it is smaller than the sum of its proper divisors (344447268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258135132 is a wasteful number, since it uses less digits than its factorization.

258135132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545 (or 9543 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 258135132 is about 16066.5843289730. The cubic root of 258135132 is about 636.7208017831.

Adding to 258135132 its reverse (231531852), we get a palindrome (489666984).

The spelling of 258135132 in words is "two hundred fifty-eight million, one hundred thirty-five thousand, one hundred thirty-two".