139166960 has 20 divisors (see below), whose sum is σ = 323563368. Its totient is φ = 55666752.

The previous prime is 139166957. The next prime is 139166971. The reversal of 139166960 is 69661931.

139166960 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 869714 + ... + 869873.

Almost surely, 2^139166960 is an apocalyptic number.

139166960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139166960 is an abundant number, since it is smaller than the sum of its proper divisors (184396408).

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

139166960 is a wasteful number, since it uses less digits than its factorization.

139166960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739600 (or 1739594 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 139166960 is about 11796.9046787706. The cubic root of 139166960 is about 518.2174665683.

The spelling of 139166960 in words is "one hundred thirty-nine million, one hundred sixty-six thousand, nine hundred sixty".