139304239049 has 16 divisors (see below), whose sum is σ = 142202351808. Its totient is φ = 136431231552.

The previous prime is 139304239043. The next prime is 139304239091. The reversal of 139304239049 is 940932403931.

It is a cyclic number.

It is not a de Polignac number, because 139304239049 - 2⁸ = 139304238793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139304238994 and 139304239012.

It is not an unprimeable number, because it can be changed into a prime (139304239043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24639707 + ... + 24645359.

It is an arithmetic number, because the mean of its divisors is an integer number (8887646988).

Almost surely, 2^139304239049 is an apocalyptic number.

It is an amenable number.

139304239049 is a deficient number, since it is larger than the sum of its proper divisors (2898112759).

139304239049 is a wasteful number, since it uses less digits than its factorization.

139304239049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784.

The product of its (nonzero) digits is 629856, while the sum is 47.

The spelling of 139304239049 in words is "one hundred thirty-nine billion, three hundred four million, two hundred thirty-nine thousand, forty-nine".