158266075133 has 4 divisors (see below), whose sum is σ = 161252227548. Its totient is φ = 155279922720.

The previous prime is 158266075127. The next prime is 158266075139. The reversal of 158266075133 is 331570662851.

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

It is an interprime number because it is at equal distance from previous prime (158266075127) and next prime (158266075139).

It can be written as a sum of positive squares in 2 ways, for example, as 83254177444 + 75011897689 = 288538^2 + 273883^2 .

It is a cyclic number.

It is not a de Polignac number, because 158266075133 - 2⁴ = 158266075117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158266075139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493076128 + ... + 1493076233.

It is an arithmetic number, because the mean of its divisors is an integer number (40313056887).

Almost surely, 2^158266075133 is an apocalyptic number.

It is an amenable number.

158266075133 is a deficient number, since it is larger than the sum of its proper divisors (2986152415).

158266075133 is an equidigital number, since it uses as much as digits as its factorization.

158266075133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986152414.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 158266075133 in words is "one hundred fifty-eight billion, two hundred sixty-six million, seventy-five thousand, one hundred thirty-three".