138367559 has 8 divisors (see below), whose sum is σ = 151345152. Its totient is φ = 125456440.

The previous prime is 138367553. The next prime is 138367589. The reversal of 138367559 is 955763831.

138367559 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 138367559 - 2²⁰ = 137318983 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 (138367553) 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, 12209 + ... + 20634.

It is an arithmetic number, because the mean of its divisors is an integer number (18918144).

Almost surely, 2^138367559 is an apocalyptic number.

138367559 is a deficient number, since it is larger than the sum of its proper divisors (12977593).

138367559 is a wasteful number, since it uses less digits than its factorization.

138367559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33237.

The product of its digits is 680400, while the sum is 47.

The square root of 138367559 is about 11762.9740712118. The cubic root of 138367559 is about 517.2233146412.

The spelling of 138367559 in words is "one hundred thirty-eight million, three hundred sixty-seven thousand, five hundred fifty-nine".