1040143437 has 10 divisors (see below), whose sum is σ = 1553794638. Its totient is φ = 693428904.

The previous prime is 1040143427. The next prime is 1040143439. The reversal of 1040143437 is 7343410401.

It can be written as a sum of positive squares in only one way, i.e., 712569636 + 327573801 = 26694^2 + 18099^2 .

It is not a de Polignac number, because 1040143437 - 2¹⁰ = 1040142413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1040143437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040143439) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6420558 + ... + 6420719.

Almost surely, 2^1040143437 is an apocalyptic number.

It is an amenable number.

1040143437 is a deficient number, since it is larger than the sum of its proper divisors (513651201).

1040143437 is an equidigital number, since it uses as much as digits as its factorization.

1040143437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12841289 (or 12841280 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1040143437 is about 32251.2548127976. The cubic root of 1040143437 is about 1013.2059800589.

Adding to 1040143437 its reverse (7343410401), we get a palindrome (8383553838).

The spelling of 1040143437 in words is "one billion, forty million, one hundred forty-three thousand, four hundred thirty-seven".