36142857 has 6 divisors (see below), whose sum is σ = 52206362. Its totient is φ = 24095232.

The previous prime is 36142831. The next prime is 36142877. The reversal of 36142857 is 75824163.

It can be written as a sum of positive squares in only one way, i.e., 28901376 + 7241481 = 5376^2 + 2691^2 .

It is not a de Polignac number, because 36142857 - 2⁶ = 36142793 is a prime.

It is a super-2 number, since 2×36142857² = 2612612224244898, which contains 22 as substring.

It is a Duffinian number.

36142857 is a modest number, since divided by 142857 gives 36 as remainder.

It is not an unprimeable number, because it can be changed into a prime (36142877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2007928 + ... + 2007945.

Almost surely, 2^36142857 is an apocalyptic number.

It is an amenable number.

36142857 is a deficient number, since it is larger than the sum of its proper divisors (16063505).

36142857 is a wasteful number, since it uses less digits than its factorization.

36142857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015879 (or 4015876 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 36142857 is about 6011.8929631190. The cubic root of 36142857 is about 330.6289108591.

The spelling of 36142857 in words is "thirty-six million, one hundred forty-two thousand, eight hundred fifty-seven".