52135073739 has 128 divisors (see below), whose sum is σ = 92379033600. Its totient is φ = 28441497600.

The previous prime is 52135073717. The next prime is 52135073741. The reversal of 52135073739 is 93737053125.

52135073739 is a `hidden beast` number, since 521 + 3 + 50 + 7 + 3 + 73 + 9 = 666.

It is not a de Polignac number, because 52135073739 - 2¹² = 52135069643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52135073694 and 52135073703.

It is not an unprimeable number, because it can be changed into a prime (52135073759) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 102426217 + ... + 102426725.

It is an arithmetic number, because the mean of its divisors is an integer number (721711200).

Almost surely, 2^52135073739 is an apocalyptic number.

52135073739 is a deficient number, since it is larger than the sum of its proper divisors (40243959861).

52135073739 is a wasteful number, since it uses less digits than its factorization.

52135073739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 45.

The spelling of 52135073739 in words is "fifty-two billion, one hundred thirty-five million, seventy-three thousand, seven hundred thirty-nine".