139665034080 has 2160 divisors, whose sum is σ = 641213096832. Its totient is φ = 28466380800.

The previous prime is 139665034037. The next prime is 139665034139. The reversal of 139665034080 is 80430566931.

139665034080 is a `hidden beast` number, since 1 + 3 + 9 + 66 + 503 + 4 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (2160).

It is a super-2 number, since 2×139665034080² (a number of 23 digits) contains 22 as substring.

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 polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 4505323665 + ... + 4505323695.

Almost surely, 2^139665034080 is an apocalyptic number.

139665034080 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 139665034080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320606548416).

139665034080 is an abundant number, since it is smaller than the sum of its proper divisors (501548062752).

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

139665034080 is a wasteful number, since it uses less digits than its factorization.

139665034080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 139665034080 in words is "one hundred thirty-nine billion, six hundred sixty-five million, thirty-four thousand, eighty".