139094128 has 20 divisors (see below), whose sum is σ = 270371088. Its totient is φ = 69320960.

The previous prime is 139094113. The next prime is 139094141. The reversal of 139094128 is 821490931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9001 + ... + 18952.

Almost surely, 2^139094128 is an apocalyptic number.

It is an amenable number.

139094128 is a deficient number, since it is larger than the sum of its proper divisors (131276960).

139094128 is a wasteful number, since it uses less digits than its factorization.

139094128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28272 (or 28266 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 139094128 is about 11793.8173633476. The cubic root of 139094128 is about 518.1270490329.

The spelling of 139094128 in words is "one hundred thirty-nine million, ninety-four thousand, one hundred twenty-eight".