139022060 has 12 divisors (see below), whose sum is σ = 291946368. Its totient is φ = 55608816.

The previous prime is 139022057. The next prime is 139022071. The reversal of 139022060 is 60220931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3475532 + ... + 3475571.

It is an arithmetic number, because the mean of its divisors is an integer number (24328864).

Almost surely, 2^139022060 is an apocalyptic number.

139022060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139022060 is an abundant number, since it is smaller than the sum of its proper divisors (152924308).

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

139022060 is a wasteful number, since it uses less digits than its factorization.

139022060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951112 (or 6951110 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 139022060 is about 11790.7616378248. The cubic root of 139022060 is about 518.0375488948.

Adding to 139022060 its reverse (60220931), we get a palindrome (199242991).

Subtracting from 139022060 its reverse (60220931), we obtain a square (78801129 = 8877²).

The spelling of 139022060 in words is "one hundred thirty-nine million, twenty-two thousand, sixty".