139093329 has 4 divisors (see below), whose sum is σ = 185457776. Its totient is φ = 92728884.

The previous prime is 139093301. The next prime is 139093333. The reversal of 139093329 is 923390931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 139093329 - 2⁹ = 139092817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (139093369) 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 3 ways as a sum of consecutive naturals, for example, 23182219 + ... + 23182224.

It is an arithmetic number, because the mean of its divisors is an integer number (46364444).

Almost surely, 2^139093329 is an apocalyptic number.

It is an amenable number.

139093329 is a deficient number, since it is larger than the sum of its proper divisors (46364447).

139093329 is an equidigital number, since it uses as much as digits as its factorization.

139093329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46364446.

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 139093329 is about 11793.7834896186. The cubic root of 139093329 is about 518.1260569366.

The spelling of 139093329 in words is "one hundred thirty-nine million, ninety-three thousand, three hundred twenty-nine".