1330007842 has 4 divisors (see below), whose sum is σ = 1995011766. Its totient is φ = 665003920.

The previous prime is 1330007807. The next prime is 1330007843. The reversal of 1330007842 is 2487000331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2487000331 = 43 ⋅57837217.

It can be written as a sum of positive squares in only one way, i.e., 1329987961 + 19881 = 36469^2 + 141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1330007842.

It is not an unprimeable number, because it can be changed into a prime (1330007843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332501959 + ... + 332501962.

Almost surely, 2^1330007842 is an apocalyptic number.

1330007842 is a deficient number, since it is larger than the sum of its proper divisors (665003924).

1330007842 is an equidigital number, since it uses as much as digits as its factorization.

1330007842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665003923.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1330007842 is about 36469.2725729483. The cubic root of 1330007842 is about 1099.7266102953.

The spelling of 1330007842 in words is "one billion, three hundred thirty million, seven thousand, eight hundred forty-two".