147869009 has 8 divisors (see below), whose sum is σ = 156764160. Its totient is φ = 138995776.

The previous prime is 147868997. The next prime is 147869017. The reversal of 147869009 is 900968741.

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

It is a cyclic number.

It is not a de Polignac number, because 147869009 - 2¹⁶ = 147803473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147869809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9632 + ... + 19710.

It is an arithmetic number, because the mean of its divisors is an integer number (19595520).

Almost surely, 2^147869009 is an apocalyptic number.

It is an amenable number.

147869009 is a deficient number, since it is larger than the sum of its proper divisors (8895151).

147869009 is a wasteful number, since it uses less digits than its factorization.

147869009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 147869009 is about 12160.1401718895. The cubic root of 147869009 is about 528.8011457138.

The spelling of 147869009 in words is "one hundred forty-seven million, eight hundred sixty-nine thousand, nine".