538133286 has 16 divisors (see below), whose sum is σ = 1077643584. Its totient is φ = 179148264.

The previous prime is 538133269. The next prime is 538133287. The reversal of 538133286 is 682331835.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538133287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52260 + ... + 61703.

It is an arithmetic number, because the mean of its divisors is an integer number (67352724).

Almost surely, 2^538133286 is an apocalyptic number.

538133286 is an abundant number, since it is smaller than the sum of its proper divisors (539510298).

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

538133286 is a wasteful number, since it uses less digits than its factorization.

538133286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114755.

The product of its digits is 103680, while the sum is 39.

The square root of 538133286 is about 23197.7000153032. The cubic root of 538133286 is about 813.3858606599.

The spelling of 538133286 in words is "five hundred thirty-eight million, one hundred thirty-three thousand, two hundred eighty-six".