1340026163 has 16 divisors (see below), whose sum is σ = 1549096704. Its totient is φ = 1135412640.

The previous prime is 1340026153. The next prime is 1340026169. The reversal of 1340026163 is 3616200431.

It is a cyclic number.

It is not a de Polignac number, because 1340026163 - 2⁴ = 1340026147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340026169) 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, 403556 + ... + 406862.

It is an arithmetic number, because the mean of its divisors is an integer number (96818544).

Almost surely, 2^1340026163 is an apocalyptic number.

1340026163 is a deficient number, since it is larger than the sum of its proper divisors (209070541).

1340026163 is a wasteful number, since it uses less digits than its factorization.

1340026163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1340026163 is about 36606.3677930493. The cubic root of 1340026163 is about 1102.4809465327.

Adding to 1340026163 its reverse (3616200431), we get a palindrome (4956226594).

The spelling of 1340026163 in words is "one billion, three hundred forty million, twenty-six thousand, one hundred sixty-three".