42857142857136 has 240 divisors, whose sum is σ = 126949986109440. Its totient is φ = 13459175032320.

The previous prime is 42857142857129. The next prime is 42857142857197. The reversal of 42857142857136 is 63175824175824.

42857142857136 is a `hidden beast` number, since 4 + 2 + 8 + 5 + 7 + 1 + 4 + 28 + 571 + 36 = 666.

It is a super-2 number, since 2×42857142857136² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2279989690 + ... + 2280008486.

It is an arithmetic number, because the mean of its divisors is an integer number (528958275456).

Almost surely, 2^{42857142857136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42857142857136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63474993054720).

42857142857136 is an abundant number, since it is smaller than the sum of its proper divisors (84092843252304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42857142857136 is a wasteful number, since it uses less digits than its factorization.

42857142857136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23384 (or 23375 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 63.

The spelling of 42857142857136 in words is "forty-two trillion, eight hundred fifty-seven billion, one hundred forty-two million, eight hundred fifty-seven thousand, one hundred thirty-six".