138801159 has 24 divisors (see below), whose sum is σ = 239096832. Its totient is φ = 75865680.

The previous prime is 138801151. The next prime is 138801191. The reversal of 138801159 is 951108831.

It is not a de Polignac number, because 138801159 - 2³ = 138801151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138801151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46447 + ... + 49344.

It is an arithmetic number, because the mean of its divisors is an integer number (9962368).

Almost surely, 2^138801159 is an apocalyptic number.

138801159 is a deficient number, since it is larger than the sum of its proper divisors (100295673).

138801159 is a wasteful number, since it uses less digits than its factorization.

138801159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95827 (or 95824 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The square root of 138801159 is about 11781.3903678641. The cubic root of 138801159 is about 517.7630224943.

The spelling of 138801159 in words is "one hundred thirty-eight million, eight hundred one thousand, one hundred fifty-nine".