138799116 has 48 divisors (see below), whose sum is σ = 363242880. Its totient is φ = 45830160.

The previous prime is 138799109. The next prime is 138799153. The reversal of 138799116 is 611997831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5551 + ... + 17561.

It is an arithmetic number, because the mean of its divisors is an integer number (7567560).

Almost surely, 2^138799116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138799116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181621440).

138799116 is an abundant number, since it is smaller than the sum of its proper divisors (224443764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138799116 is a wasteful number, since it uses less digits than its factorization.

138799116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131 (or 12123 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 138799116 is about 11781.3036630078. The cubic root of 138799116 is about 517.7604821816.

The spelling of 138799116 in words is "one hundred thirty-eight million, seven hundred ninety-nine thousand, one hundred sixteen".