139080885 has 16 divisors (see below), whose sum is σ = 232205184. Its totient is φ = 70951232.

The previous prime is 139080881. The next prime is 139080959. The reversal of 139080885 is 588080931.

It is a cyclic number.

It is not a de Polignac number, because 139080885 - 2² = 139080881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139080881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201222 + ... + 201911.

It is an arithmetic number, because the mean of its divisors is an integer number (14512824).

Almost surely, 2^139080885 is an apocalyptic number.

139080885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139080885 is a deficient number, since it is larger than the sum of its proper divisors (93124299).

139080885 is a wasteful number, since it uses less digits than its factorization.

139080885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403164.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 139080885 is about 11793.2559117489. The cubic root of 139080885 is about 518.1106050742.

The spelling of 139080885 in words is "one hundred thirty-nine million, eighty thousand, eight hundred eighty-five".