138168058 has 16 divisors (see below), whose sum is σ = 238670784. Its totient is φ = 58762080.

The previous prime is 138167983. The next prime is 138168067. The reversal of 138168058 is 850861831.

138168058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×138168058³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138168058.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35835 + ... + 39502.

It is an arithmetic number, because the mean of its divisors is an integer number (14916924).

Almost surely, 2^138168058 is an apocalyptic number.

138168058 is a deficient number, since it is larger than the sum of its proper divisors (100502726).

138168058 is a wasteful number, since it uses less digits than its factorization.

138168058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75477.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 138168058 is about 11754.4909715393. The cubic root of 138168058 is about 516.9746142446.

The spelling of 138168058 in words is "one hundred thirty-eight million, one hundred sixty-eight thousand, fifty-eight".