1342838865 has 16 divisors (see below), whose sum is σ = 2155041216. Its totient is φ = 714014400.

The previous prime is 1342838863. The next prime is 1342838909. The reversal of 1342838865 is 5688382431.

It is not a de Polignac number, because 1342838865 - 2¹ = 1342838863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1342838863) 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, 130266 + ... + 140195.

It is an arithmetic number, because the mean of its divisors is an integer number (134690076).

Almost surely, 2^1342838865 is an apocalyptic number.

1342838865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1342838865 is a deficient number, since it is larger than the sum of its proper divisors (812202351).

1342838865 is a wasteful number, since it uses less digits than its factorization.

1342838865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270800.

The product of its digits is 1105920, while the sum is 48.

The square root of 1342838865 is about 36644.7658608975. The cubic root of 1342838865 is about 1103.2517730916.

The spelling of 1342838865 in words is "one billion, three hundred forty-two million, eight hundred thirty-eight thousand, eight hundred sixty-five".