576139138 has 4 divisors (see below), whose sum is σ = 864208710. Its totient is φ = 288069568.

The previous prime is 576139127. The next prime is 576139139. The reversal of 576139138 is 831931675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 469285569 + 106853569 = 21663^2 + 10337^2 .

It is a junction number, because it is equal to n+sod(n) for n = 576139094 and 576139103.

It is not an unprimeable number, because it can be changed into a prime (576139139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144034783 + ... + 144034786.

Almost surely, 2^576139138 is an apocalyptic number.

576139138 is a deficient number, since it is larger than the sum of its proper divisors (288069572).

576139138 is a wasteful number, since it uses less digits than its factorization.

576139138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288069571.

The product of its digits is 136080, while the sum is 43.

The square root of 576139138 is about 24002.8985333022. The cubic root of 576139138 is about 832.1005188972.

The spelling of 576139138 in words is "five hundred seventy-six million, one hundred thirty-nine thousand, one hundred thirty-eight".