40001135 has 8 divisors (see below), whose sum is σ = 48035376. Its totient is φ = 31978240.

The previous prime is 40001111. The next prime is 40001161. The reversal of 40001135 is 53110004.

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

It is not a de Polignac number, because 40001135 - 2¹⁸ = 39738991 is a prime.

It is a Duffinian number.

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, 11780 + ... + 14790.

It is an arithmetic number, because the mean of its divisors is an integer number (6004422).

Almost surely, 2^40001135 is an apocalyptic number.

40001135 is a deficient number, since it is larger than the sum of its proper divisors (8034241).

40001135 is a wasteful number, since it uses less digits than its factorization.

40001135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 40001135 is about 6324.6450493289. The cubic root of 40001135 is about 341.9984240092.

Adding to 40001135 its reverse (53110004), we get a palindrome (93111139).

The spelling of 40001135 in words is "forty million, one thousand, one hundred thirty-five".