1040405113 has 16 divisors (see below), whose sum is σ = 1163600640. Its totient is φ = 922134400.

The previous prime is 1040405111. The next prime is 1040405129. The reversal of 1040405113 is 3115040401.

1040405113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1040405113 - 2¹ = 1040405111 is a prime.

It is a super-3 number, since 3×1040405113³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040405111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135333 + ... + 142813.

It is an arithmetic number, because the mean of its divisors is an integer number (72725040).

Almost surely, 2^1040405113 is an apocalyptic number.

It is an amenable number.

1040405113 is a deficient number, since it is larger than the sum of its proper divisors (123195527).

1040405113 is a wasteful number, since it uses less digits than its factorization.

1040405113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1040405113 is about 32255.3113920793. The cubic root of 1040405113 is about 1013.2909393213.

Adding to 1040405113 its reverse (3115040401), we get a palindrome (4155445514).

The spelling of 1040405113 in words is "one billion, forty million, four hundred five thousand, one hundred thirteen".