1013536509 has 4 divisors (see below), whose sum is σ = 1351382016. Its totient is φ = 675691004.

The previous prime is 1013536501. The next prime is 1013536541. The reversal of 1013536509 is 9056353101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1013536509 - 2³ = 1013536501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013536509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013536501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168922749 + ... + 168922754.

It is an arithmetic number, because the mean of its divisors is an integer number (337845504).

Almost surely, 2^1013536509 is an apocalyptic number.

It is an amenable number.

1013536509 is a deficient number, since it is larger than the sum of its proper divisors (337845507).

1013536509 is an equidigital number, since it uses as much as digits as its factorization.

1013536509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337845506.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 1013536509 is about 31836.0881547969. The cubic root of 1013536509 is about 1004.4919617339.

The spelling of 1013536509 in words is "one billion, thirteen million, five hundred thirty-six thousand, five hundred nine".