270138842 has 16 divisors (see below), whose sum is σ = 413008200. Its totient is φ = 132494400.

The previous prime is 270138833. The next prime is 270138851. The reversal of 270138842 is 248831072.

It is an interprime number because it is at equal distance from previous prime (270138833) and next prime (270138851).

It can be written as a sum of positive squares in 4 ways, for example, as 249987721 + 20151121 = 15811^2 + 4489^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15884 + ... + 28152.

Almost surely, 2^270138842 is an apocalyptic number.

270138842 is a deficient number, since it is larger than the sum of its proper divisors (142869358).

270138842 is a wasteful number, since it uses less digits than its factorization.

270138842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12481.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 270138842 is about 16435.9010096800. The cubic root of 270138842 is about 646.4411754402.

The spelling of 270138842 in words is "two hundred seventy million, one hundred thirty-eight thousand, eight hundred forty-two".