1040313405 has 32 divisors (see below), whose sum is σ = 1708983936. Its totient is φ = 540094464.

The previous prime is 1040313389. The next prime is 1040313413. The reversal of 1040313405 is 5043130401.

It is not a de Polignac number, because 1040313405 - 2⁴ = 1040313389 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199309 + ... + 204461.

It is an arithmetic number, because the mean of its divisors is an integer number (53405748).

Almost surely, 2^1040313405 is an apocalyptic number.

1040313405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040313405 is a deficient number, since it is larger than the sum of its proper divisors (668670531).

1040313405 is a wasteful number, since it uses less digits than its factorization.

1040313405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1040313405 is about 32253.8897654221. The cubic root of 1040313405 is about 1013.2611657857.

Adding to 1040313405 its reverse (5043130401), we get a palindrome (6083443806).

The spelling of 1040313405 in words is "one billion, forty million, three hundred thirteen thousand, four hundred five".