1340620335 has 32 divisors (see below), whose sum is σ = 2508768000. Its totient is φ = 677364768.

The previous prime is 1340620277. The next prime is 1340620349. The reversal of 1340620335 is 5330260431.

It is a happy number.

1340620335 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 620 + 3 + 35 = 666.

It is not a de Polignac number, because 1340620335 - 2⁶ = 1340620271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1340620299 and 1340620308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258765 + ... + 263894.

It is an arithmetic number, because the mean of its divisors is an integer number (78399000).

Almost surely, 2^1340620335 is an apocalyptic number.

1340620335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1340620335 is a deficient number, since it is larger than the sum of its proper divisors (1168147665).

1340620335 is a wasteful number, since it uses less digits than its factorization.

1340620335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522692 (or 522686 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 1340620335 is about 36614.4825854470. The cubic root of 1340620335 is about 1102.6438703451.

Adding to 1340620335 its reverse (5330260431), we get a palindrome (6670880766).

The spelling of 1340620335 in words is "one billion, three hundred forty million, six hundred twenty thousand, three hundred thirty-five".