139384299 has 16 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 91507680.

The previous prime is 139384253. The next prime is 139384313. The reversal of 139384299 is 992483931.

It is not a de Polignac number, because 139384299 - 2⁹ = 139383787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139384249) 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, 56902 + ... + 59300.

It is an arithmetic number, because the mean of its divisors is an integer number (11793600).

Almost surely, 2^139384299 is an apocalyptic number.

139384299 is a deficient number, since it is larger than the sum of its proper divisors (49313301).

139384299 is a wasteful number, since it uses less digits than its factorization.

139384299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its digits is 419904, while the sum is 48.

The square root of 139384299 is about 11806.1127810978. The cubic root of 139384299 is about 518.4870954261.

The spelling of 139384299 in words is "one hundred thirty-nine million, three hundred eighty-four thousand, two hundred ninety-nine".