139223276 has 12 divisors (see below), whose sum is σ = 243760608. Its totient is φ = 69577392.

The previous prime is 139223257. The next prime is 139223281. The reversal of 139223276 is 672322931.

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 3 ways as a sum of consecutive naturals, for example, 2045 + ... + 16811.

It is an arithmetic number, because the mean of its divisors is an integer number (20313384).

Almost surely, 2^139223276 is an apocalyptic number.

It is an amenable number.

139223276 is a deficient number, since it is larger than the sum of its proper divisors (104537332).

139223276 is a wasteful number, since it uses less digits than its factorization.

139223276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17128 (or 17126 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 139223276 is about 11799.2913346523. The cubic root of 139223276 is about 518.2873586345.

The spelling of 139223276 in words is "one hundred thirty-nine million, two hundred twenty-three thousand, two hundred seventy-six".