52170139143 has 24 divisors (see below), whose sum is σ = 79361895600. Its totient is φ = 32933412864.

The previous prime is 52170139129. The next prime is 52170139169. The reversal of 52170139143 is 34193107125.

52170139143 is a `hidden beast` number, since 521 + 7 + 0 + 1 + 3 + 91 + 43 = 666.

It is not a de Polignac number, because 52170139143 - 2¹³ = 52170130951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52170139098 and 52170139107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52170138143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280071 + ... + 427527.

It is an arithmetic number, because the mean of its divisors is an integer number (3306745650).

Almost surely, 2^52170139143 is an apocalyptic number.

52170139143 is a deficient number, since it is larger than the sum of its proper divisors (27191756457).

52170139143 is a wasteful number, since it uses less digits than its factorization.

52170139143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149551 (or 149548 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 52170139143 in words is "fifty-two billion, one hundred seventy million, one hundred thirty-nine thousand, one hundred forty-three".