1036640143 has 16 divisors (see below), whose sum is σ = 1296069120. Its totient is φ = 805500000.

The previous prime is 1036640141. The next prime is 1036640149. The reversal of 1036640143 is 3410466301.

It is a cyclic number.

It is not a de Polignac number, because 1036640143 - 2¹ = 1036640141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036640141) 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, 8893 + ... + 46393.

It is an arithmetic number, because the mean of its divisors is an integer number (81004320).

Almost surely, 2^1036640143 is an apocalyptic number.

1036640143 is a deficient number, since it is larger than the sum of its proper divisors (259428977).

1036640143 is a wasteful number, since it uses less digits than its factorization.

1036640143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37878.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1036640143 is about 32196.8964808722. The cubic root of 1036640143 is about 1012.0671784757.

The spelling of 1036640143 in words is "one billion, thirty-six million, six hundred forty thousand, one hundred forty-three".