132440018 has 8 divisors (see below), whose sum is σ = 199850112. Its totient is φ = 65823316.

The previous prime is 132439969. The next prime is 132440023. The reversal of 132440018 is 810044231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 132439975 and 132440002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197930 + ... + 198597.

It is an arithmetic number, because the mean of its divisors is an integer number (24981264).

Almost surely, 2^132440018 is an apocalyptic number.

132440018 is a deficient number, since it is larger than the sum of its proper divisors (67410094).

132440018 is a wasteful number, since it uses less digits than its factorization.

132440018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396696.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 132440018 is about 11508.2586866997. The cubic root of 132440018 is about 509.7294707742.

Adding to 132440018 its reverse (810044231), we get a palindrome (942484249).

The spelling of 132440018 in words is "one hundred thirty-two million, four hundred forty thousand, eighteen".