139088422 has 16 divisors (see below), whose sum is σ = 227790144. Its totient is φ = 63169000.

The previous prime is 139088401. The next prime is 139088431. The reversal of 139088422 is 224880931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38097 + ... + 41587.

It is an arithmetic number, because the mean of its divisors is an integer number (14236884).

Almost surely, 2^139088422 is an apocalyptic number.

139088422 is a deficient number, since it is larger than the sum of its proper divisors (88701722).

139088422 is a wasteful number, since it uses less digits than its factorization.

139088422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 139088422 is about 11793.5754544582. The cubic root of 139088422 is about 518.1199639666.

The spelling of 139088422 in words is "one hundred thirty-nine million, eighty-eight thousand, four hundred twenty-two".