1340011333 has 4 divisors (see below), whose sum is σ = 1345571788. Its totient is φ = 1334450880.

The previous prime is 1340011331. The next prime is 1340011369. The reversal of 1340011333 is 3331100431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3331100431 = 2837 ⋅1174163.

It can be written as a sum of positive squares in 2 ways, for example, as 1249056964 + 90954369 = 35342^2 + 9537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340011333 - 2¹ = 1340011331 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 1340011333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340011331) 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, 2779866 + ... + 2780347.

It is an arithmetic number, because the mean of its divisors is an integer number (336392947).

Almost surely, 2^1340011333 is an apocalyptic number.

It is an amenable number.

1340011333 is a deficient number, since it is larger than the sum of its proper divisors (5560455).

1340011333 is an equidigital number, since it uses as much as digits as its factorization.

1340011333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560454.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1340011333 is about 36606.1652321026. The cubic root of 1340011333 is about 1102.4768794846.

Adding to 1340011333 its reverse (3331100431), we get a palindrome (4671111764).

The spelling of 1340011333 in words is "one billion, three hundred forty million, eleven thousand, three hundred thirty-three".