132809418 has 24 divisors (see below), whose sum is σ = 328861728. Its totient is φ = 37945512.

The previous prime is 132809407. The next prime is 132809419. The reversal of 132809418 is 814908231.

It is a super-4 number, since 4×132809418⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (132809419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526896 + ... + 527147.

It is an arithmetic number, because the mean of its divisors is an integer number (13702572).

Almost surely, 2^132809418 is an apocalyptic number.

132809418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

132809418 is an abundant number, since it is smaller than the sum of its proper divisors (196052310).

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

132809418 is a wasteful number, since it uses less digits than its factorization.

132809418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054058 (or 1054055 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 132809418 is about 11524.2968549062. The cubic root of 132809418 is about 510.2029411488.

The spelling of 132809418 in words is "one hundred thirty-two million, eight hundred nine thousand, four hundred eighteen".