158128310233213 has 4 divisors (see below), whose sum is σ = 158145866399680. Its totient is φ = 158110754066748.

The previous prime is 158128310233139. The next prime is 158128310233219. The reversal of 158128310233213 is 312332013821851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 158128310233213 - 2¹⁷ = 158128310102141 is a prime.

It is a super-2 number, since 2×158128310233213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158128310233213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158128310233219) 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, 8778069723 + ... + 8778087736.

It is an arithmetic number, because the mean of its divisors is an integer number (39536466599920).

Almost surely, 2^{158128310233213} is an apocalyptic number.

It is an amenable number.

158128310233213 is a deficient number, since it is larger than the sum of its proper divisors (17556166467).

158128310233213 is an equidigital number, since it uses as much as digits as its factorization.

158128310233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17556166466.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 158128310233213 in words is "one hundred fifty-eight trillion, one hundred twenty-eight billion, three hundred ten million, two hundred thirty-three thousand, two hundred thirteen".