138000611 has 12 divisors (see below), whose sum is σ = 169975368. Its totient is φ = 111327552.

The previous prime is 138000581. The next prime is 138000659. The reversal of 138000611 is 116000831.

138000611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138000611 - 2²² = 133806307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138000661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82001 + ... + 83666.

It is an arithmetic number, because the mean of its divisors is an integer number (14164614).

Almost surely, 2^138000611 is an apocalyptic number.

138000611 is a deficient number, since it is larger than the sum of its proper divisors (31974757).

138000611 is a wasteful number, since it uses less digits than its factorization.

138000611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165698 (or 165691 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 138000611 is about 11747.3661303290. The cubic root of 138000611 is about 516.7656879004.

The spelling of 138000611 in words is "one hundred thirty-eight million, six hundred eleven", and thus it is an aban number.