40134069 has 16 divisors (see below), whose sum is σ = 60177600. Its totient is φ = 26432208.

The previous prime is 40134043. The next prime is 40134079. The reversal of 40134069 is 96043104.

40134069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40134069 - 2⁸ = 40133813 is a prime.

It is a super-2 number, since 2×40134069² = 3221486988993522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6714 + ... + 11195.

It is an arithmetic number, because the mean of its divisors is an integer number (3761100).

Almost surely, 2^40134069 is an apocalyptic number.

It is an amenable number.

40134069 is a deficient number, since it is larger than the sum of its proper divisors (20043531).

40134069 is a wasteful number, since it uses less digits than its factorization.

40134069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18001 (or 17995 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40134069 is about 6335.1455389754. The cubic root of 40134069 is about 342.3768545155.

The spelling of 40134069 in words is "forty million, one hundred thirty-four thousand, sixty-nine".