1340617269 has 16 divisors (see below), whose sum is σ = 1808037440. Its totient is φ = 883509120.

The previous prime is 1340617259. The next prime is 1340617277. The reversal of 1340617269 is 9627160431.

It is not a de Polignac number, because 1340617269 - 2⁴ = 1340617253 is a prime.

It is a super-2 number, since 2×1340617269² = 3594509323882036722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340617259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144954 + ... + 153924.

It is an arithmetic number, because the mean of its divisors is an integer number (113002340).

Almost surely, 2^1340617269 is an apocalyptic number.

It is an amenable number.

1340617269 is a deficient number, since it is larger than the sum of its proper divisors (467420171).

1340617269 is a wasteful number, since it uses less digits than its factorization.

1340617269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1340617269 is about 36614.4407167445. The cubic root of 1340617269 is about 1102.6430297620.

The spelling of 1340617269 in words is "one billion, three hundred forty million, six hundred seventeen thousand, two hundred sixty-nine".