1018143674 has 16 divisors (see below), whose sum is σ = 1563961608. Its totient is φ = 496921152.

The previous prime is 1018143613. The next prime is 1018143697. The reversal of 1018143674 is 4763418101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1000140625 + 18003049 = 31625^2 + 4243^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3497 + ... + 45260.

Almost surely, 2^1018143674 is an apocalyptic number.

1018143674 is a deficient number, since it is larger than the sum of its proper divisors (545817934).

1018143674 is a wasteful number, since it uses less digits than its factorization.

1018143674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49009.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1018143674 is about 31908.3636998201. The cubic root of 1018143674 is about 1006.0116786321.

The spelling of 1018143674 in words is "one billion, eighteen million, one hundred forty-three thousand, six hundred seventy-four".