1040200013 has 4 divisors (see below), whose sum is σ = 1040266428. Its totient is φ = 1040133600.

The previous prime is 1040199997. The next prime is 1040200019. The reversal of 1040200013 is 3100020401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 747858409 + 292341604 = 27347^2 + 17098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040200013 - 2⁴ = 1040199997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040199967 and 1040200003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040200019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4745 + ... + 45857.

It is an arithmetic number, because the mean of its divisors is an integer number (260066607).

Almost surely, 2^1040200013 is an apocalyptic number.

It is an amenable number.

1040200013 is a deficient number, since it is larger than the sum of its proper divisors (66415).

1040200013 is an equidigital number, since it uses as much as digits as its factorization.

1040200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66414.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1040200013 is about 32252.1319140301. The cubic root of 1040200013 is about 1013.2243499940.

Adding to 1040200013 its reverse (3100020401), we get a palindrome (4140220414).

The spelling of 1040200013 in words is "one billion, forty million, two hundred thousand, thirteen".