1340012333 has 4 divisors (see below), whose sum is σ = 1461831648. Its totient is φ = 1218193020.

The previous prime is 1340012291. The next prime is 1340012339. The reversal of 1340012333 is 3332100431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3332100431 = 11 ⋅302918221.

It is not a de Polignac number, because 1340012333 - 2¹² = 1340008237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340012339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60909641 + ... + 60909662.

It is an arithmetic number, because the mean of its divisors is an integer number (365457912).

Almost surely, 2^1340012333 is an apocalyptic number.

It is an amenable number.

1340012333 is a deficient number, since it is larger than the sum of its proper divisors (121819315).

1340012333 is a wasteful number, since it uses less digits than its factorization.

1340012333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121819314.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1340012333 is about 36606.1788910014. The cubic root of 1340012333 is about 1102.4771537302.

Adding to 1340012333 its reverse (3332100431), we get a palindrome (4672112764).

The spelling of 1340012333 in words is "one billion, three hundred forty million, twelve thousand, three hundred thirty-three".