40135 has 8 divisors (see below), whose sum is σ = 50400. Its totient is φ = 30624.

The previous prime is 40129. The next prime is 40151. The reversal of 40135 is 53104.

40135 = T₃₆ + T₃₇ + ... + T₆₅.

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 40135 - 2³ = 40127 is a prime.

It is a super-2 number, since 2×40135² = 3221636450, which contains 22 as substring.

It is an Ulam number.

40135 is a modest number, since divided by 135 gives 40 as remainder.

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, 60 + ... + 289.

It is an arithmetic number, because the mean of its divisors is an integer number (6300).

2⁴⁰¹³⁵ is an apocalyptic number.

40135 is a deficient number, since it is larger than the sum of its proper divisors (10265).

40135 is a wasteful number, since it uses less digits than its factorization.

40135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 40135 is about 200.3372157139. The cubic root of 40135 is about 34.2379501895.

Adding to 40135 its reverse (53104), we get a palindrome (93239).

The spelling of 40135 in words is "forty thousand, one hundred thirty-five".