57142934107 has 4 divisors (see below), whose sum is σ = 65306210416. Its totient is φ = 48979657800.

The previous prime is 57142934089. The next prime is 57142934153. The reversal of 57142934107 is 70143924175.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57142934107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57142934197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081638144 + ... + 4081638157.

It is an arithmetic number, because the mean of its divisors is an integer number (16326552604).

Almost surely, 2^57142934107 is an apocalyptic number.

57142934107 is a deficient number, since it is larger than the sum of its proper divisors (8163276309).

57142934107 is an equidigital number, since it uses as much as digits as its factorization.

57142934107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163276308.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 57142934107 in words is "fifty-seven billion, one hundred forty-two million, nine hundred thirty-four thousand, one hundred seven".