139866160 has 80 divisors (see below), whose sum is σ = 373190400. Its totient is φ = 47755008.

The previous prime is 139866131. The next prime is 139866193. The reversal of 139866160 is 61668931.

139866160 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 (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211911 + ... + 212569.

It is an arithmetic number, because the mean of its divisors is an integer number (4664880).

Almost surely, 2^139866160 is an apocalyptic number.

139866160 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 139866160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186595200).

139866160 is an abundant number, since it is smaller than the sum of its proper divisors (233324240).

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

139866160 is a wasteful number, since it uses less digits than its factorization.

139866160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 139866160 is about 11826.5024415505. The cubic root of 139866160 is about 519.0838899494.

The spelling of 139866160 in words is "one hundred thirty-nine million, eight hundred sixty-six thousand, one hundred sixty".