1340413569 has 64 divisors (see below), whose sum is σ = 2304910080. Its totient is φ = 760872960.

The previous prime is 1340413559. The next prime is 1340413589. The reversal of 1340413569 is 9653140431.

1340413569 is a `hidden beast` number, since 13 + 40 + 41 + 3 + 569 = 666.

It is not a de Polignac number, because 1340413569 - 2⁷ = 1340413441 is a prime.

It is a super-2 number, since 2×1340413569² = 3593417071918635522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1340413559) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1297077 + ... + 1298109.

It is an arithmetic number, because the mean of its divisors is an integer number (36014220).

Almost surely, 2^1340413569 is an apocalyptic number.

It is an amenable number.

1340413569 is a deficient number, since it is larger than the sum of its proper divisors (964496511).

1340413569 is a wasteful number, since it uses less digits than its factorization.

1340413569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1340413569 is about 36611.6589217151. The cubic root of 1340413569 is about 1102.5871799264.

The spelling of 1340413569 in words is "one billion, three hundred forty million, four hundred thirteen thousand, five hundred sixty-nine".