132709801806 has 24 divisors (see below), whose sum is σ = 287550768960. Its totient is φ = 44234621376.

The previous prime is 132709801799. The next prime is 132709801817. The reversal of 132709801806 is 608108907231.

It is a super-2 number, since 2×132709801806² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281155 + ... + 586913.

It is an arithmetic number, because the mean of its divisors is an integer number (11981282040).

Almost surely, 2^132709801806 is an apocalyptic number.

132709801806 is an abundant number, since it is smaller than the sum of its proper divisors (154840967154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132709801806 is a wasteful number, since it uses less digits than its factorization.

132709801806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329880 (or 329877 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 132709801806 in words is "one hundred thirty-two billion, seven hundred nine million, eight hundred one thousand, eight hundred six".