1340021335 has 8 divisors (see below), whose sum is σ = 1609482240. Its totient is φ = 1071045984.

The previous prime is 1340021329. The next prime is 1340021359. The reversal of 1340021335 is 5331200431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340021335 - 2¹¹ = 1340019287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115287 + ... + 126376.

It is an arithmetic number, because the mean of its divisors is an integer number (201185280).

Almost surely, 2^1340021335 is an apocalyptic number.

1340021335 is a deficient number, since it is larger than the sum of its proper divisors (269460905).

1340021335 is a wasteful number, since it uses less digits than its factorization.

1340021335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242777.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1340021335 is about 36606.3018481791. The cubic root of 1340021335 is about 1102.4796224828.

Adding to 1340021335 its reverse (5331200431), we get a palindrome (6671221766).

The spelling of 1340021335 in words is "one billion, three hundred forty million, twenty-one thousand, three hundred thirty-five".