258139534907 has 4 divisors (see below), whose sum is σ = 258286290240. Its totient is φ = 257992779576.

The previous prime is 258139534847. The next prime is 258139534927. The reversal of 258139534907 is 709435931852.

258139534907 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258139534907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258139534927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73375028 + ... + 73378545.

It is an arithmetic number, because the mean of its divisors is an integer number (64571572560).

Almost surely, 2^258139534907 is an apocalyptic number.

258139534907 is a deficient number, since it is larger than the sum of its proper divisors (146755333).

258139534907 is a wasteful number, since it uses less digits than its factorization.

258139534907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146755332.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 258139534907 in words is "two hundred fifty-eight billion, one hundred thirty-nine million, five hundred thirty-four thousand, nine hundred seven".