1340210433 has 8 divisors (see below), whose sum is σ = 1787218528. Its totient is φ = 893337984.

The previous prime is 1340210423. The next prime is 1340210513. The reversal of 1340210433 is 3340120431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340210433 - 2⁹ = 1340209921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340210423) 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 7 ways as a sum of consecutive naturals, for example, 8035 + ... + 52392.

It is an arithmetic number, because the mean of its divisors is an integer number (223402316).

Almost surely, 2^1340210433 is an apocalyptic number.

It is an amenable number.

1340210433 is a deficient number, since it is larger than the sum of its proper divisors (447008095).

1340210433 is an equidigital number, since it uses as much as digits as its factorization.

1340210433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67823.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1340210433 is about 36608.8846183546. The cubic root of 1340210433 is about 1102.5314790915.

Adding to 1340210433 its reverse (3340120431), we get a palindrome (4680330864).

The spelling of 1340210433 in words is "one billion, three hundred forty million, two hundred ten thousand, four hundred thirty-three".