139870080 has 192 divisors, whose sum is σ = 552146400. Its totient is φ = 31961088.

The previous prime is 139870043. The next prime is 139870091. The reversal of 139870080 is 80078931.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38586 + ... + 42054.

Almost surely, 2^139870080 is an apocalyptic number.

139870080 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 139870080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276073200).

139870080 is an abundant number, since it is smaller than the sum of its proper divisors (412276320).

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

139870080 is a wasteful number, since it uses less digits than its factorization.

139870080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501 (or 3486 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 139870080 is about 11826.6681698609. The cubic root of 139870080 is about 519.0887393231.

The spelling of 139870080 in words is "one hundred thirty-nine million, eight hundred seventy thousand, eighty".