139822880 has 48 divisors (see below), whose sum is σ = 332760960. Its totient is φ = 55517952.

The previous prime is 139822871. The next prime is 139822883. The reversal of 139822880 is 88228931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (139822883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19097 + ... + 25383.

It is an arithmetic number, because the mean of its divisors is an integer number (6932520).

Almost surely, 2^139822880 is an apocalyptic number.

139822880 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 139822880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166380480).

139822880 is an abundant number, since it is smaller than the sum of its proper divisors (192938080).

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

139822880 is a wasteful number, since it uses less digits than its factorization.

139822880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441 (or 6433 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 139822880 is about 11824.6725113214. The cubic root of 139822880 is about 519.0303428812.

The spelling of 139822880 in words is "one hundred thirty-nine million, eight hundred twenty-two thousand, eight hundred eighty".