1340502136 has 32 divisors (see below), whose sum is σ = 2647530000. Its totient is φ = 634542336.

The previous prime is 1340502113. The next prime is 1340502143. The reversal of 1340502136 is 6312050431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340502136.

It is a congruent number.

It is an unprimeable number.

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, 386940 + ... + 390388.

Almost surely, 2^1340502136 is an apocalyptic number.

It is an amenable number.

1340502136 is a deficient number, since it is larger than the sum of its proper divisors (1307027864).

1340502136 is a wasteful number, since it uses less digits than its factorization.

1340502136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031 (or 6027 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1340502136 is about 36612.8684481290. The cubic root of 1340502136 is about 1102.6114636476.

Adding to 1340502136 its reverse (6312050431), we get a palindrome (7652552567).

The spelling of 1340502136 in words is "one billion, three hundred forty million, five hundred two thousand, one hundred thirty-six".