158636041 has 2 divisors, whose sum is σ = 158636042. Its totient is φ = 158636040.

The previous prime is 158636033. The next prime is 158636059. The reversal of 158636041 is 140636851.

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., 157628025 + 1008016 = 12555^2 + 1004^2 .

It is an emirp because it is prime and its reverse (140636851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158636041 - 2³ = 158636033 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 158635988 and 158636006.

It is not a weakly prime, because it can be changed into another prime (158636441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79318020 + 79318021.

It is an arithmetic number, because the mean of its divisors is an integer number (79318021).

Almost surely, 2^158636041 is an apocalyptic number.

It is an amenable number.

158636041 is a deficient number, since it is larger than the sum of its proper divisors (1).

158636041 is an equidigital number, since it uses as much as digits as its factorization.

158636041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 158636041 is about 12595.0800315044. The cubic root of 158636041 is about 541.3364712404.

It can be divided in two parts, 15863 and 6041, that added together give a square (21904 = 148²).

The spelling of 158636041 in words is "one hundred fifty-eight million, six hundred thirty-six thousand, forty-one".