504207138 has 8 divisors (see below), whose sum is σ = 1008414288. Its totient is φ = 168069044.

The previous prime is 504207113. The next prime is 504207149. The reversal of 504207138 is 831702405.

It is a sphenic number, since it is the product of 3 distinct primes.

504207138 is an admirable number.

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, 42017256 + ... + 42017267.

It is an arithmetic number, because the mean of its divisors is an integer number (126051786).

Almost surely, 2^504207138 is an apocalyptic number.

504207138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

504207138 is a wasteful number, since it uses less digits than its factorization.

504207138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84034528.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 504207138 is about 22454.5571766624. The cubic root of 504207138 is about 795.9204496565.

The spelling of 504207138 in words is "five hundred four million, two hundred seven thousand, one hundred thirty-eight".