139026340664 has 8 divisors (see below), whose sum is σ = 260674388760. Its totient is φ = 69513170328.

The previous prime is 139026340657. The next prime is 139026340711. The reversal of 139026340664 is 466043620931.

139026340664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8689146284 + ... + 8689146299.

It is an arithmetic number, because the mean of its divisors is an integer number (32584298595).

Almost surely, 2^139026340664 is an apocalyptic number.

It is an amenable number.

139026340664 is a deficient number, since it is larger than the sum of its proper divisors (121648048096).

139026340664 is a wasteful number, since it uses less digits than its factorization.

139026340664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17378292589 (or 17378292585 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 139026340664 in words is "one hundred thirty-nine billion, twenty-six million, three hundred forty thousand, six hundred sixty-four".