1040105513 has 4 divisors (see below), whose sum is σ = 1057734480. Its totient is φ = 1022476548.

The previous prime is 1040105497. The next prime is 1040105527. The reversal of 1040105513 is 3155010401.

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 1040105513 - 2⁴ = 1040105497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040135513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8814395 + ... + 8814512.

It is an arithmetic number, because the mean of its divisors is an integer number (264433620).

Almost surely, 2^1040105513 is an apocalyptic number.

It is an amenable number.

1040105513 is a deficient number, since it is larger than the sum of its proper divisors (17628967).

1040105513 is an equidigital number, since it uses as much as digits as its factorization.

1040105513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17628966.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1040105513 is about 32250.6668613224. Note that the first 3 decimals coincide. The cubic root of 1040105513 is about 1013.1936659590.

Adding to 1040105513 its reverse (3155010401), we get a palindrome (4195115914).

The spelling of 1040105513 in words is "one billion, forty million, one hundred five thousand, five hundred thirteen".