138043059 has 16 divisors (see below), whose sum is σ = 229474560. Its totient is φ = 71710560.

The previous prime is 138043051. The next prime is 138043069. The reversal of 138043059 is 950340831.

It is not a de Polignac number, because 138043059 - 2³ = 138043051 is a prime.

It is a super-2 number, since 2×138043059² = 38111772276154962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (138043051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298564 + ... + 299025.

It is an arithmetic number, because the mean of its divisors is an integer number (14342160).

Almost surely, 2^138043059 is an apocalyptic number.

138043059 is a deficient number, since it is larger than the sum of its proper divisors (91431501).

138043059 is a wasteful number, since it uses less digits than its factorization.

138043059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597610.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 138043059 is about 11749.1726942794. The cubic root of 138043059 is about 516.8186669441.

The spelling of 138043059 in words is "one hundred thirty-eight million, forty-three thousand, fifty-nine".