52136134231 has 4 divisors (see below), whose sum is σ = 52137575992. Its totient is φ = 52134692472.

The previous prime is 52136134217. The next prime is 52136134261. The reversal of 52136134231 is 13243163125.

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

It is a cyclic number.

It is not a de Polignac number, because 52136134231 - 2⁹ = 52136133719 is a prime.

It is a super-2 number, since 2×52136134231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52136134193 and 52136134202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52136134201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665205 + ... + 739438.

It is an arithmetic number, because the mean of its divisors is an integer number (13034393998).

Almost surely, 2^52136134231 is an apocalyptic number.

52136134231 is a deficient number, since it is larger than the sum of its proper divisors (1441761).

52136134231 is a wasteful number, since it uses less digits than its factorization.

52136134231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441760.

The product of its digits is 12960, while the sum is 31.

Adding to 52136134231 its reverse (13243163125), we get a palindrome (65379297356).

The spelling of 52136134231 in words is "fifty-two billion, one hundred thirty-six million, one hundred thirty-four thousand, two hundred thirty-one".