1073142688 has 12 divisors (see below), whose sum is σ = 2112749730. Its totient is φ = 536571328.

The previous prime is 1073142673. The next prime is 1073142691. The reversal of 1073142688 is 8862413701.

It can be written as a sum of positive squares in only one way, i.e., 1046393104 + 26749584 = 32348^2 + 5172^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1073142688.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16767823 + ... + 16767886.

Almost surely, 2^1073142688 is an apocalyptic number.

It is an amenable number.

1073142688 is a deficient number, since it is larger than the sum of its proper divisors (1039607042).

1073142688 is an equidigital number, since it uses as much as digits as its factorization.

1073142688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33535719 (or 33535711 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1073142688 is about 32758.8566345042. The cubic root of 1073142688 is about 1023.8095043590.

The spelling of 1073142688 in words is "one billion, seventy-three million, one hundred forty-two thousand, six hundred eighty-eight".