538133290 has 16 divisors (see below), whose sum is σ = 976269312. Its totient is φ = 213557904.

The previous prime is 538133287. The next prime is 538133293. The reversal of 538133290 is 92331835.

It is an interprime number because it is at equal distance from previous prime (538133287) and next prime (538133293).

It is not an unprimeable number, because it can be changed into a prime (538133293) 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, 210594 + ... + 213133.

It is an arithmetic number, because the mean of its divisors is an integer number (61016832).

Almost surely, 2^538133290 is an apocalyptic number.

538133290 is a deficient number, since it is larger than the sum of its proper divisors (438136022).

538133290 is a wasteful number, since it uses less digits than its factorization.

538133290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423861.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 538133290 is about 23197.7001015187. The cubic root of 538133290 is about 813.3858626753.

The spelling of 538133290 in words is "five hundred thirty-eight million, one hundred thirty-three thousand, two hundred ninety".