1342565009 has 8 divisors (see below), whose sum is σ = 1354305408. Its totient is φ = 1330862400.

The previous prime is 1342564991. The next prime is 1342565041. The reversal of 1342565009 is 9005652431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342565009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342565009.

It is not an unprimeable number, because it can be changed into a prime (1342565209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64409 + ... + 82665.

It is an arithmetic number, because the mean of its divisors is an integer number (169288176).

Almost surely, 2^1342565009 is an apocalyptic number.

It is an amenable number.

1342565009 is a deficient number, since it is larger than the sum of its proper divisors (11740399).

1342565009 is a wasteful number, since it uses less digits than its factorization.

1342565009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18895.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1342565009 is about 36641.0290384973. The cubic root of 1342565009 is about 1103.1767696377.

The spelling of 1342565009 in words is "one billion, three hundred forty-two million, five hundred sixty-five thousand, nine".