1068144634 has 8 divisors (see below), whose sum is σ = 1602661428. Its totient is φ = 533924160.

The previous prime is 1068144611. The next prime is 1068144653. The reversal of 1068144634 is 4364418601.

It can be written as a sum of positive squares in 2 ways, for example, as 1049954409 + 18190225 = 32403^2 + 4265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1068144634² = 2281865918285987912, which contains 22 as substring.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 1068144593 and 1068144602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64837 + ... + 79624.

Almost surely, 2^1068144634 is an apocalyptic number.

1068144634 is a deficient number, since it is larger than the sum of its proper divisors (534516794).

1068144634 is a wasteful number, since it uses less digits than its factorization.

1068144634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148160.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1068144634 is about 32682.4820660855. The cubic root of 1068144634 is about 1022.2176005296.

The spelling of 1068144634 in words is "one billion, sixty-eight million, one hundred forty-four thousand, six hundred thirty-four".