139301946865 has 16 divisors (see below), whose sum is σ = 169326839808. Its totient is φ = 110004558336.

The previous prime is 139301946851. The next prime is 139301946877. The reversal of 139301946865 is 568649103931.

It is a cyclic number.

It is not a de Polignac number, because 139301946865 - 2¹³ = 139301938673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189207 + ... + 560716.

It is an arithmetic number, because the mean of its divisors is an integer number (10582927488).

Almost surely, 2^139301946865 is an apocalyptic number.

It is an amenable number.

139301946865 is a deficient number, since it is larger than the sum of its proper divisors (30024892943).

139301946865 is an equidigital number, since it uses as much as digits as its factorization.

139301946865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750408.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 139301946865 in words is "one hundred thirty-nine billion, three hundred one million, nine hundred forty-six thousand, eight hundred sixty-five".