270012138 has 32 divisors (see below), whose sum is σ = 593092800. Its totient is φ = 81269760.

The previous prime is 270012137. The next prime is 270012163. The reversal of 270012138 is 831210072.

It is not an unprimeable number, because it can be changed into a prime (270012137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3895 + ... + 23562.

It is an arithmetic number, because the mean of its divisors is an integer number (18534150).

Almost surely, 2^270012138 is an apocalyptic number.

270012138 is an abundant number, since it is smaller than the sum of its proper divisors (323080662).

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

270012138 is a wasteful number, since it uses less digits than its factorization.

270012138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27622.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 270012138 is about 16432.0460685820. The cubic root of 270012138 is about 646.3400922453.

The spelling of 270012138 in words is "two hundred seventy million, twelve thousand, one hundred thirty-eight".