40134140 has 12 divisors (see below), whose sum is σ = 84281736. Its totient is φ = 16053648.

The previous prime is 40134113. The next prime is 40134169. The reversal of 40134140 is 4143104.

It is a super-2 number, since 2×40134140² = 3221498387079200, which contains 22 as substring.

It is a congruent number.

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, 1003334 + ... + 1003373.

It is an arithmetic number, because the mean of its divisors is an integer number (7023478).

Almost surely, 2^40134140 is an apocalyptic number.

It is an amenable number.

40134140 is an abundant number, since it is smaller than the sum of its proper divisors (44147596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40134140 is a wasteful number, since it uses less digits than its factorization.

40134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006716 (or 2006714 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40134140 is about 6335.1511426327. The cubic root of 40134140 is about 342.3770564116.

Adding to 40134140 its reverse (4143104), we get a palindrome (44277244).

The spelling of 40134140 in words is "forty million, one hundred thirty-four thousand, one hundred forty".