1013730503 has 8 divisors (see below), whose sum is σ = 1067510400. Its totient is φ = 959993208.

The previous prime is 1013730463. The next prime is 1013730511. The reversal of 1013730503 is 3050373101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1013730503 - 2¹⁸ = 1013468359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013730593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45968 + ... + 64346.

It is an arithmetic number, because the mean of its divisors is an integer number (133438800).

Almost surely, 2^1013730503 is an apocalyptic number.

1013730503 is a deficient number, since it is larger than the sum of its proper divisors (53779897).

1013730503 is a wasteful number, since it uses less digits than its factorization.

1013730503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21301.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 1013730503 is about 31839.1347715355. The cubic root of 1013730503 is about 1004.5560452608.

The spelling of 1013730503 in words is "one billion, thirteen million, seven hundred thirty thousand, five hundred three".