202138288 has 20 divisors (see below), whose sum is σ = 427247208. Its totient is φ = 91880960.

The previous prime is 202138271. The next prime is 202138291. The reversal of 202138288 is 882831202.

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, 574081 + ... + 574432.

Almost surely, 2^202138288 is an apocalyptic number.

It is an amenable number.

202138288 is an abundant number, since it is smaller than the sum of its proper divisors (225108920).

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

202138288 is a wasteful number, since it uses less digits than its factorization.

202138288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148532 (or 1148526 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 202138288 is about 14217.5345260703. The cubic root of 202138288 is about 586.8802946751.

The spelling of 202138288 in words is "two hundred two million, one hundred thirty-eight thousand, two hundred eighty-eight".