139816960 has 52 divisors (see below), whose sum is σ = 335568888. Its totient is φ = 55918592.

The previous prime is 139816949. The next prime is 139817017. The reversal of 139816960 is 69618931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17067 + ... + 23893.

Almost surely, 2^139816960 is an apocalyptic number.

139816960 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 139816960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167784444).

139816960 is an abundant number, since it is smaller than the sum of its proper divisors (195751928).

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

139816960 is an frugal number, since it uses more digits than its factorization.

139816960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 6834 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 139816960 is about 11824.4221846144. The cubic root of 139816960 is about 519.0230176542.

The spelling of 139816960 in words is "one hundred thirty-nine million, eight hundred sixteen thousand, nine hundred sixty".