3657142857 has 16 divisors (see below), whose sum is σ = 5145664320. Its totient is φ = 2304000000.

The previous prime is 3657142837. The next prime is 3657142873. The reversal of 3657142857 is 7582417563.

3657142857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3657142857 - 2⁶ = 3657142793 is a prime.

It is a super-2 number, since 2×3657142857² = 26749387753012244898, which contains 22 as substring.

3657142857 is a modest number, since divided by 142857 gives 3657 as remainder.

It is not an unprimeable number, because it can be changed into a prime (3657142837) 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, 57144 + ... + 102857.

It is an arithmetic number, because the mean of its divisors is an integer number (321604020).

Almost surely, 2^3657142857 is an apocalyptic number.

It is an amenable number.

3657142857 is a deficient number, since it is larger than the sum of its proper divisors (1488521463).

3657142857 is a wasteful number, since it uses less digits than its factorization.

3657142857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160424.

The product of its digits is 1411200, while the sum is 48.

The square root of 3657142857 is about 60474.3156802952. The cubic root of 3657142857 is about 1540.6854284233.

The spelling of 3657142857 in words is "three billion, six hundred fifty-seven million, one hundred forty-two thousand, eight hundred fifty-seven".