5142909 has 8 divisors (see below), whose sum is σ = 6903232. Its totient is φ = 3405600.

The previous prime is 5142899. The next prime is 5142911. The reversal of 5142909 is 9092415.

5142909 = 526² + 527² + ... + 543².

It is a happy number.

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

It is not a de Polignac number, because 5142909 - 2⁵ = 5142877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142919) 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, 5224 + ... + 6129.

It is an arithmetic number, because the mean of its divisors is an integer number (862904).

Almost surely, 2^5142909 is an apocalyptic number.

It is an amenable number.

5142909 is a deficient number, since it is larger than the sum of its proper divisors (1760323).

5142909 is a wasteful number, since it uses less digits than its factorization.

5142909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11507.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 5142909 is about 2267.7982714519. The cubic root of 5142909 is about 172.6114549618.

The spelling of 5142909 in words is "five million, one hundred forty-two thousand, nine hundred nine".