138848699 has 4 divisors (see below), whose sum is σ = 151471320. Its totient is φ = 126226080.

The previous prime is 138848693. The next prime is 138848729. The reversal of 138848699 is 996848831.

138848699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138848699 - 2⁴ = 138848683 is a prime.

It is a super-2 number, since 2×138848699² = 38557922427985202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138848693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6311294 + ... + 6311315.

It is an arithmetic number, because the mean of its divisors is an integer number (37867830).

Almost surely, 2^138848699 is an apocalyptic number.

138848699 is a deficient number, since it is larger than the sum of its proper divisors (12622621).

138848699 is a wasteful number, since it uses less digits than its factorization.

138848699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622620.

The product of its digits is 2985984, while the sum is 56.

The square root of 138848699 is about 11783.4077838289. The cubic root of 138848699 is about 517.8221277751.

The spelling of 138848699 in words is "one hundred thirty-eight million, eight hundred forty-eight thousand, six hundred ninety-nine".