139245080 has 64 divisors (see below), whose sum is σ = 338839200. Its totient is φ = 51194880.

The previous prime is 139245077. The next prime is 139245083. The reversal of 139245080 is 80542931.

It is an interprime number because it is at equal distance from previous prime (139245077) and next prime (139245083).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139245083) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 171716 + ... + 172524.

Almost surely, 2^139245080 is an apocalyptic number.

139245080 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 139245080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169419600).

139245080 is an abundant number, since it is smaller than the sum of its proper divisors (199594120).

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

139245080 is a wasteful number, since it uses less digits than its factorization.

139245080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 139245080 is about 11800.2152522740. The cubic root of 139245080 is about 518.3144138511.

The spelling of 139245080 in words is "one hundred thirty-nine million, two hundred forty-five thousand, eighty".