504120140 has 24 divisors (see below), whose sum is σ = 1092803712. Its totient is φ = 195143040.

The previous prime is 504120107. The next prime is 504120151. The reversal of 504120140 is 41021405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405929 + ... + 407168.

It is an arithmetic number, because the mean of its divisors is an integer number (45533488).

Almost surely, 2^504120140 is an apocalyptic number.

It is an amenable number.

504120140 is an abundant number, since it is smaller than the sum of its proper divisors (588683572).

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

504120140 is a wasteful number, since it uses less digits than its factorization.

504120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813137 (or 813135 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 504120140 is about 22452.6198916741. The cubic root of 504120140 is about 795.8746698800.

Adding to 504120140 its reverse (41021405), we get a palindrome (545141545).

The spelling of 504120140 in words is "five hundred four million, one hundred twenty thousand, one hundred forty".