2039457139 has 16 divisors (see below), whose sum is σ = 2177413056. Its totient is φ = 1903564800.

The previous prime is 2039457083. The next prime is 2039457143. The reversal of 2039457139 is 9317549302.

It is not a de Polignac number, because 2039457139 - 2¹¹ = 2039455091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2039457095 and 2039457104.

It is not an unprimeable number, because it can be changed into a prime (2039457149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1497819 + ... + 1499179.

It is an arithmetic number, because the mean of its divisors is an integer number (136088316).

Almost surely, 2^2039457139 is an apocalyptic number.

2039457139 is a deficient number, since it is larger than the sum of its proper divisors (137955917).

2039457139 is a wasteful number, since it uses less digits than its factorization.

2039457139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 2039457139 is about 45160.3491904126. The cubic root of 2039457139 is about 1268.1526324556.

The spelling of 2039457139 in words is "two billion, thirty-nine million, four hundred fifty-seven thousand, one hundred thirty-nine".