158340928125437 has 2 divisors, whose sum is σ = 158340928125438. Its totient is φ = 158340928125436.

The previous prime is 158340928125409. The next prime is 158340928125619. The reversal of 158340928125437 is 734521829043851.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158240574755641 + 100353369796 = 12579371^2 + 316786^2 .

It is an emirp because it is prime and its reverse (734521829043851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158340928125437 - 2²⁶ = 158340861016573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158340928125437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158340928122437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79170464062718 + 79170464062719.

It is an arithmetic number, because the mean of its divisors is an integer number (79170464062719).

Almost surely, 2^{158340928125437} is an apocalyptic number.

It is an amenable number.

158340928125437 is a deficient number, since it is larger than the sum of its proper divisors (1).

158340928125437 is an equidigital number, since it uses as much as digits as its factorization.

158340928125437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 158340928125437 in words is "one hundred fifty-eight trillion, three hundred forty billion, nine hundred twenty-eight million, one hundred twenty-five thousand, four hundred thirty-seven".