139044307680 has 144 divisors (see below), whose sum is σ = 482267507904. Its totient is φ = 36470615040.

The previous prime is 139044307673. The next prime is 139044307697. The reversal of 139044307680 is 86703440931.

139044307680 is a `hidden beast` number, since 139 + 0 + 4 + 430 + 7 + 6 + 80 = 666.

139044307680 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 (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 in 23 ways as a sum of consecutive naturals, for example, 703624 + ... + 879303.

It is an arithmetic number, because the mean of its divisors is an integer number (3349079916).

Almost surely, 2^139044307680 is an apocalyptic number.

139044307680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139044307680 is an abundant number, since it is smaller than the sum of its proper divisors (343223200224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139044307680 is a wasteful number, since it uses less digits than its factorization.

139044307680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583009 (or 1582998 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 139044307680 in words is "one hundred thirty-nine billion, forty-four million, three hundred seven thousand, six hundred eighty".