138058579 has 8 divisors (see below), whose sum is σ = 145553040. Its totient is φ = 130586976.

The previous prime is 138058519. The next prime is 138058619. The reversal of 138058579 is 975850831.

138058579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138058579 - 2²³ = 129669971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138058519) 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, 7497 + ... + 18229.

It is an arithmetic number, because the mean of its divisors is an integer number (18194130).

Almost surely, 2^138058579 is an apocalyptic number.

138058579 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

138058579 is a deficient number, since it is larger than the sum of its proper divisors (7494461).

138058579 is a wasteful number, since it uses less digits than its factorization.

138058579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 138058579 is about 11749.8331477515. The cubic root of 138058579 is about 516.8380346332.

The spelling of 138058579 in words is "one hundred thirty-eight million, fifty-eight thousand, five hundred seventy-nine".