270138630 has 16 divisors (see below), whose sum is σ = 648332784. Its totient is φ = 72036960.

The previous prime is 270138629. The next prime is 270138667. The reversal of 270138630 is 36831072.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 9004621 = 270138630 / (2 + 7 + 0 + 1 + 3 + 8 + 6 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4502281 + ... + 4502340.

It is an arithmetic number, because the mean of its divisors is an integer number (40520799).

Almost surely, 2^270138630 is an apocalyptic number.

270138630 is an abundant number, since it is smaller than the sum of its proper divisors (378194154).

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

270138630 is a wasteful number, since it uses less digits than its factorization.

270138630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004631.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 270138630 is about 16435.8945603822. The cubic root of 270138630 is about 646.4410063351.

The spelling of 270138630 in words is "two hundred seventy million, one hundred thirty-eight thousand, six hundred thirty".