40134188 has 6 divisors (see below), whose sum is σ = 70234836. Its totient is φ = 20067092.

The previous prime is 40134169. The next prime is 40134209. The reversal of 40134188 is 88143104.

It is a super-2 number, since 2×40134188² = 3221506092838688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40134188.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016770 + ... + 5016777.

It is an arithmetic number, because the mean of its divisors is an integer number (11705806).

Almost surely, 2^40134188 is an apocalyptic number.

It is an amenable number.

40134188 is a deficient number, since it is larger than the sum of its proper divisors (30100648).

40134188 is a wasteful number, since it uses less digits than its factorization.

40134188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033551 (or 10033549 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 40134188 is about 6335.1549310179. The cubic root of 40134188 is about 342.3771929047.

The spelling of 40134188 in words is "forty million, one hundred thirty-four thousand, one hundred eighty-eight".