139882128 has 20 divisors (see below), whose sum is σ = 361362288. Its totient is φ = 46627360.

The previous prime is 139882121. The next prime is 139882147. The reversal of 139882128 is 821288931.

It is a self number, because there is not a number n which added to its sum of digits gives 139882128.

It is not an unprimeable number, because it can be changed into a prime (139882121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457058 + ... + 1457153.

Almost surely, 2^139882128 is an apocalyptic number.

It is an amenable number.

139882128 is an abundant number, since it is smaller than the sum of its proper divisors (221480160).

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

139882128 is a wasteful number, since it uses less digits than its factorization.

139882128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914222 (or 2914216 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 139882128 is about 11827.1775162124. The cubic root of 139882128 is about 519.1036431576.

The spelling of 139882128 in words is "one hundred thirty-nine million, eight hundred eighty-two thousand, one hundred twenty-eight".