58139212 has 12 divisors (see below), whose sum is σ = 102037600. Its totient is φ = 28985616.

The previous prime is 58139197. The next prime is 58139219. The reversal of 58139212 is 21293185.

58139212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (58139219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19428 + ... + 22219.

Almost surely, 2^58139212 is an apocalyptic number.

It is an amenable number.

58139212 is a deficient number, since it is larger than the sum of its proper divisors (43898388).

58139212 is a wasteful number, since it uses less digits than its factorization.

58139212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42000 (or 41998 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 58139212 is about 7624.9073436993. The cubic root of 58139212 is about 387.3971134408.

It can be divided in two parts, 581 and 39212, that added together give a palindrome (39793).

The spelling of 58139212 in words is "fifty-eight million, one hundred thirty-nine thousand, two hundred twelve".