132869345985 has 48 divisors (see below), whose sum is σ = 244161515520. Its totient is φ = 66724248960.

The previous prime is 132869345981. The next prime is 132869346031. The reversal of 132869345985 is 589543968231.

132869345985 is a `hidden beast` number, since 1 + 3 + 2 + 8 + 6 + 9 + 34 + 598 + 5 = 666.

It is not a de Polignac number, because 132869345985 - 2² = 132869345981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132869345981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1235505 + ... + 1338734.

It is an arithmetic number, because the mean of its divisors is an integer number (5086698240).

Almost surely, 2^132869345985 is an apocalyptic number.

132869345985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132869345985 is a deficient number, since it is larger than the sum of its proper divisors (111292169535).

132869345985 is a wasteful number, since it uses less digits than its factorization.

132869345985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574318 (or 2574315 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 132869345985 in words is "one hundred thirty-two billion, eight hundred sixty-nine million, three hundred forty-five thousand, nine hundred eighty-five".