575138964 has 24 divisors (see below), whose sum is σ = 1346950528. Its totient is φ = 191004480.

The previous prime is 575138929. The next prime is 575138969. The reversal of 575138964 is 469831575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575138969) 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, 85177 + ... + 91680.

Almost surely, 2^575138964 is an apocalyptic number.

It is an amenable number.

575138964 is an abundant number, since it is smaller than the sum of its proper divisors (771811564).

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

575138964 is a wasteful number, since it uses less digits than its factorization.

575138964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177135 (or 177133 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 575138964 is about 23982.0550412178. The cubic root of 575138964 is about 831.6187328694.

The spelling of 575138964 in words is "five hundred seventy-five million, one hundred thirty-eight thousand, nine hundred sixty-four".