9142089 has 16 divisors (see below), whose sum is σ = 13348800. Its totient is φ = 5519360.

The previous prime is 9142087. The next prime is 9142093. The reversal of 9142089 is 9802419.

It is not a de Polignac number, because 9142089 - 2¹ = 9142087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

9142089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9142087) 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, 14509 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (834300).

Almost surely, 2^9142089 is an apocalyptic number.

It is an amenable number.

9142089 is a deficient number, since it is larger than the sum of its proper divisors (4206711).

9142089 is a wasteful number, since it uses less digits than its factorization.

9142089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 9142089 is about 3023.5887617201. The cubic root of 9142089 is about 209.0973272877.

It can be divided in two parts, 914 and 2089, that added together give a palindrome (3003).

The spelling of 9142089 in words is "nine million, one hundred forty-two thousand, eighty-nine".