270138028 has 12 divisors (see below), whose sum is σ = 473476752. Its totient is φ = 134858960.

The previous prime is 270138019. The next prime is 270138101. The reversal of 270138028 is 820831072.

270138028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 49603 + ... + 54778.

It is an arithmetic number, because the mean of its divisors is an integer number (39456396).

Almost surely, 2^270138028 is an apocalyptic number.

It is an amenable number.

270138028 is a deficient number, since it is larger than the sum of its proper divisors (203338724).

270138028 is a wasteful number, since it uses less digits than its factorization.

270138028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105032 (or 105030 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 270138028 is about 16435.8762467962. The cubic root of 270138028 is about 646.4405261400.

The spelling of 270138028 in words is "two hundred seventy million, one hundred thirty-eight thousand, twenty-eight".