5142857109 has 32 divisors (see below), whose sum is σ = 7712167680. Its totient is φ = 3024688128.

The previous prime is 5142857101. The next prime is 5142857117. The reversal of 5142857109 is 9017582415.

It is an interprime number because it is at equal distance from previous prime (5142857101) and next prime (5142857117).

It is not a de Polignac number, because 5142857109 - 2³ = 5142857101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142857101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1908367 + ... + 1911059.

It is an arithmetic number, because the mean of its divisors is an integer number (241005240).

Almost surely, 2^5142857109 is an apocalyptic number.

It is an amenable number.

5142857109 is a deficient number, since it is larger than the sum of its proper divisors (2569310571).

5142857109 is a wasteful number, since it uses less digits than its factorization.

5142857109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 5142857109 is about 71713.7163240060. The cubic root of 5142857109 is about 1726.1087442065.

The spelling of 5142857109 in words is "five billion, one hundred forty-two million, eight hundred fifty-seven thousand, one hundred nine".