139627680 has 96 divisors (see below), whose sum is σ = 441479808. Its totient is φ = 37094400.

The previous prime is 139627651. The next prime is 139627699. The reversal of 139627680 is 86726931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220965 + ... + 221595.

It is an arithmetic number, because the mean of its divisors is an integer number (4598748).

Almost surely, 2^139627680 is an apocalyptic number.

139627680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139627680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220739904).

139627680 is an abundant number, since it is smaller than the sum of its proper divisors (301852128).

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

139627680 is a wasteful number, since it uses less digits than its factorization.

139627680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 139627680 is about 11816.4157002028. The cubic root of 139627680 is about 518.7886992951.

The spelling of 139627680 in words is "one hundred thirty-nine million, six hundred twenty-seven thousand, six hundred eighty".