1340302033 has 4 divisors (see below), whose sum is σ = 1531773760. Its totient is φ = 1148830308.

The previous prime is 1340302027. The next prime is 1340302039. The reversal of 1340302033 is 3302030431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1340302027) and next prime (1340302039).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340302033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340302033.

It is not an unprimeable number, because it can be changed into a prime (1340302039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95735853 + ... + 95735866.

It is an arithmetic number, because the mean of its divisors is an integer number (382943440).

Almost surely, 2^1340302033 is an apocalyptic number.

It is an amenable number.

1340302033 is a deficient number, since it is larger than the sum of its proper divisors (191471727).

1340302033 is an equidigital number, since it uses as much as digits as its factorization.

1340302033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191471726.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1340302033 is about 36610.1356594045. The cubic root of 1340302033 is about 1102.5565969338.

Adding to 1340302033 its reverse (3302030431), we get a palindrome (4642332464).

The spelling of 1340302033 in words is "one billion, three hundred forty million, three hundred two thousand, thirty-three".