1340835436 has 12 divisors (see below), whose sum is σ = 2422154560. Its totient is φ = 648791280.

The previous prime is 1340835427. The next prime is 1340835437. The reversal of 1340835436 is 6345380431.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1340835395 and 1340835404.

It is not an unprimeable number, because it can be changed into a prime (1340835437) 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, 5406471 + ... + 5406718.

Almost surely, 2^1340835436 is an apocalyptic number.

It is an amenable number.

1340835436 is a deficient number, since it is larger than the sum of its proper divisors (1081319124).

1340835436 is a wasteful number, since it uses less digits than its factorization.

1340835436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10813224 (or 10813222 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 1340835436 is about 36617.4198435663. The cubic root of 1340835436 is about 1102.7028398408.

The spelling of 1340835436 in words is "one billion, three hundred forty million, eight hundred thirty-five thousand, four hundred thirty-six".