58138907 has 4 divisors (see below), whose sum is σ = 58169280. Its totient is φ = 58108536.

The previous prime is 58138897. The next prime is 58138909. The reversal of 58138907 is 70983185.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 58138907 - 2⁴ = 58138891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58138909) 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, 12107 + ... + 16212.

It is an arithmetic number, because the mean of its divisors is an integer number (14542320).

Almost surely, 2^58138907 is an apocalyptic number.

58138907 is a deficient number, since it is larger than the sum of its proper divisors (30373).

58138907 is a wasteful number, since it uses less digits than its factorization.

58138907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30372.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 58138907 is about 7624.8873434301. The cubic root of 58138907 is about 387.3964360074.

The spelling of 58138907 in words is "fifty-eight million, one hundred thirty-eight thousand, nine hundred seven".