139932307 has 8 divisors (see below), whose sum is σ = 142135200. Its totient is φ = 137746560.

The previous prime is 139932293. The next prime is 139932319. The reversal of 139932307 is 703239931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139932307 - 2¹⁹ = 139408019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139932007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12682 + ... + 20992.

It is an arithmetic number, because the mean of its divisors is an integer number (17766900).

Almost surely, 2^139932307 is an apocalyptic number.

139932307 is a deficient number, since it is larger than the sum of its proper divisors (2202893).

139932307 is a wasteful number, since it uses less digits than its factorization.

139932307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8573.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 139932307 is about 11829.2986689829. The cubic root of 139932307 is about 519.1657072874.

The spelling of 139932307 in words is "one hundred thirty-nine million, nine hundred thirty-two thousand, three hundred seven".