270138200 has 48 divisors (see below), whose sum is σ = 661137000. Its totient is φ = 102366720.

The previous prime is 270138199. The next prime is 270138223. The reversal of 270138200 is 2831072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31745 + ... + 39344.

Almost surely, 2^270138200 is an apocalyptic number.

270138200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270138200 is an abundant number, since it is smaller than the sum of its proper divisors (390998800).

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

270138200 is a wasteful number, since it uses less digits than its factorization.

270138200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71124 (or 71115 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 270138200 is about 16435.8814792514. The cubic root of 270138200 is about 646.4406633386.

Adding to 270138200 its reverse (2831072), we get a palindrome (272969272).

The spelling of 270138200 in words is "two hundred seventy million, one hundred thirty-eight thousand, two hundred".