139996080 has 320 divisors, whose sum is σ = 565678080. Its totient is φ = 31159296.

The previous prime is 139996061. The next prime is 139996111. The reversal of 139996080 is 80699931.

139996080 is a `hidden beast` number, since 1 + 39 + 9 + 9 + 608 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 710542 + ... + 710738.

It is an arithmetic number, because the mean of its divisors is an integer number (1767744).

Almost surely, 2^139996080 is an apocalyptic number.

139996080 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 139996080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282839040).

139996080 is an abundant number, since it is smaller than the sum of its proper divisors (425682000).

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

139996080 is a wasteful number, since it uses less digits than its factorization.

139996080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 139996080 is about 11831.9939148057. The cubic root of 139996080 is about 519.2445638120.

It can be divided in two parts, 1399 and 96080, that added together give a palindrome (97479).

The spelling of 139996080 in words is "one hundred thirty-nine million, nine hundred ninety-six thousand, eighty".