503540134 has 8 divisors (see below), whose sum is σ = 760121568. Its totient is φ = 250166280.

The previous prime is 503540123. The next prime is 503540159. The reversal of 503540134 is 431045305.

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

It is a junction number, because it is equal to n+sod(n) for n = 503540099 and 503540108.

It is a congruent 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, 801502 + ... + 802129.

It is an arithmetic number, because the mean of its divisors is an integer number (95015196).

Almost surely, 2^503540134 is an apocalyptic number.

503540134 is a deficient number, since it is larger than the sum of its proper divisors (256581434).

503540134 is a wasteful number, since it uses less digits than its factorization.

503540134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603790.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 503540134 is about 22439.6999534307. The cubic root of 503540134 is about 795.5693265082.

Adding to 503540134 its reverse (431045305), we get a palindrome (934585439).

The spelling of 503540134 in words is "five hundred three million, five hundred forty thousand, one hundred thirty-four".