138336159 has 16 divisors (see below), whose sum is σ = 199406592. Its totient is φ = 84799968.

The previous prime is 138336113. The next prime is 138336193. The reversal of 138336159 is 951633831.

It is not a de Polignac number, because 138336159 - 2¹¹ = 138334111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138336109) 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, 3514 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (12462912).

Almost surely, 2^138336159 is an apocalyptic number.

138336159 is a deficient number, since it is larger than the sum of its proper divisors (61070433).

138336159 is a wasteful number, since it uses less digits than its factorization.

138336159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13766.

The product of its digits is 58320, while the sum is 39.

The square root of 138336159 is about 11761.6392990093. The cubic root of 138336159 is about 517.1841868744.

The spelling of 138336159 in words is "one hundred thirty-eight million, three hundred thirty-six thousand, one hundred fifty-nine".