85132147189 has 4 divisors (see below), whose sum is σ = 85782011040. Its totient is φ = 84482283340.

The previous prime is 85132147081. The next prime is 85132147223. The reversal of 85132147189 is 98174123158.

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 85132147189 - 2¹¹ = 85132145141 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 (85132147589) 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, 324931729 + ... + 324931990.

It is an arithmetic number, because the mean of its divisors is an integer number (21445502760).

Almost surely, 2^85132147189 is an apocalyptic number.

It is an amenable number.

85132147189 is a deficient number, since it is larger than the sum of its proper divisors (649863851).

85132147189 is a wasteful number, since it uses less digits than its factorization.

85132147189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649863850.

The product of its digits is 483840, while the sum is 49.

The spelling of 85132147189 in words is "eighty-five billion, one hundred thirty-two million, one hundred forty-seven thousand, one hundred eighty-nine".