1036781218 has 16 divisors (see below), whose sum is σ = 1742405184. Its totient is φ = 458526960.

The previous prime is 1036781197. The next prime is 1036781287. The reversal of 1036781218 is 8121876301.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636030 + ... + 637657.

It is an arithmetic number, because the mean of its divisors is an integer number (108900324).

Almost surely, 2^1036781218 is an apocalyptic number.

1036781218 is a deficient number, since it is larger than the sum of its proper divisors (705623966).

1036781218 is a wasteful number, since it uses less digits than its factorization.

1036781218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273737.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1036781218 is about 32199.0872230876. The cubic root of 1036781218 is about 1012.1130866924.

The spelling of 1036781218 in words is "one billion, thirty-six million, seven hundred eighty-one thousand, two hundred eighteen".