52140154439 has 2 divisors, whose sum is σ = 52140154440. Its totient is φ = 52140154438.

The previous prime is 52140154427. The next prime is 52140154459. The reversal of 52140154439 is 93445104125.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52140154439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52140154459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26070077219 + 26070077220.

It is an arithmetic number, because the mean of its divisors is an integer number (26070077220).

Almost surely, 2^52140154439 is an apocalyptic number.

52140154439 is a deficient number, since it is larger than the sum of its proper divisors (1).

52140154439 is an equidigital number, since it uses as much as digits as its factorization.

52140154439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 52140154439 in words is "fifty-two billion, one hundred forty million, one hundred fifty-four thousand, four hundred thirty-nine".