503401136 has 20 divisors (see below), whose sum is σ = 1114674192. Its totient is φ = 215743296.

The previous prime is 503401123. The next prime is 503401231. The reversal of 503401136 is 631104305.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247215 + ... + 2247438.

Almost surely, 2^503401136 is an apocalyptic number.

503401136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

503401136 is an abundant number, since it is smaller than the sum of its proper divisors (611273056).

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

503401136 is a wasteful number, since it uses less digits than its factorization.

503401136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494668 (or 4494662 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 503401136 is about 22436.6025948672. The cubic root of 503401136 is about 795.4961163743.

The spelling of 503401136 in words is "five hundred three million, four hundred one thousand, one hundred thirty-six".