139096220 has 24 divisors (see below), whose sum is σ = 294691824. Its totient is φ = 55145216.

The previous prime is 139096219. The next prime is 139096253. The reversal of 139096220 is 22690931.

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 7 ways as a sum of consecutive naturals, for example, 28514 + ... + 33033.

It is an arithmetic number, because the mean of its divisors is an integer number (12278826).

Almost surely, 2^139096220 is an apocalyptic number.

139096220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139096220 is an abundant number, since it is smaller than the sum of its proper divisors (155595604).

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

139096220 is a wasteful number, since it uses less digits than its factorization.

139096220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61669 (or 61667 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 139096220 is about 11793.9060535516. The cubic root of 139096220 is about 518.1296465937.

The spelling of 139096220 in words is "one hundred thirty-nine million, ninety-six thousand, two hundred twenty".