1350542409 has 8 divisors (see below), whose sum is σ = 1842600672. Its totient is φ = 879422880.

The previous prime is 1350542399. The next prime is 1350542437. The reversal of 1350542409 is 9042450531.

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

It is not a de Polignac number, because 1350542409 - 2⁸ = 1350542153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1350542409.

It is not an unprimeable number, because it can be changed into a prime (1350542309) 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, 5234532 + ... + 5234789.

It is an arithmetic number, because the mean of its divisors is an integer number (230325084).

Almost surely, 2^1350542409 is an apocalyptic number.

It is an amenable number.

1350542409 is a deficient number, since it is larger than the sum of its proper divisors (492058263).

1350542409 is a wasteful number, since it uses less digits than its factorization.

1350542409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469367.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1350542409 is about 36749.7266520446. The cubic root of 1350542409 is about 1105.3574484276.

The spelling of 1350542409 in words is "one billion, three hundred fifty million, five hundred forty-two thousand, four hundred nine".