40181135 has 8 divisors (see below), whose sum is σ = 49338960. Its totient is φ = 31397184.

The previous prime is 40181117. The next prime is 40181159. The reversal of 40181135 is 53118104.

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

It is a cyclic number.

It is not a de Polignac number, because 40181135 - 2¹⁶ = 40115599 is a prime.

It is a super-2 number, since 2×40181135² = 3229047219776450, 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 40181135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93230 + ... + 93659.

It is an arithmetic number, because the mean of its divisors is an integer number (6167370).

Almost surely, 2^40181135 is an apocalyptic number.

40181135 is a deficient number, since it is larger than the sum of its proper divisors (9157825).

40181135 is a wasteful number, since it uses less digits than its factorization.

40181135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186937.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 40181135 is about 6338.8591244797. The cubic root of 40181135 is about 342.5106395544.

Adding to 40181135 its reverse (53118104), we get a palindrome (93299239).

The spelling of 40181135 in words is "forty million, one hundred eighty-one thousand, one hundred thirty-five".