139560960 has 384 divisors, whose sum is σ = 566092800. Its totient is φ = 28508160.

The previous prime is 139560959. The next prime is 139560979. The reversal of 139560960 is 69065931.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×139560960² = 38954523112243200, which contains 22 as substring.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2365411 + ... + 2365469.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^139560960 is an apocalyptic number.

139560960 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 139560960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283046400).

139560960 is an abundant number, since it is smaller than the sum of its proper divisors (426531840).

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

139560960 is a wasteful number, since it uses less digits than its factorization.

139560960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 139560960 is about 11813.5921717317. The cubic root of 139560960 is about 518.7060530826.

The spelling of 139560960 in words is "one hundred thirty-nine million, five hundred sixty thousand, nine hundred sixty".