40134705 has 32 divisors (see below), whose sum is σ = 73229184. Its totient is φ = 18594816.

The previous prime is 40134683. The next prime is 40134709. The reversal of 40134705 is 50743104.

It is not a de Polignac number, because 40134705 - 2⁶ = 40134641 is a prime.

It is a super-2 number, since 2×40134705² = 3221589090874050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40134709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2739 + ... + 9368.

It is an arithmetic number, because the mean of its divisors is an integer number (2288412).

Almost surely, 2^40134705 is an apocalyptic number.

It is an amenable number.

40134705 is a deficient number, since it is larger than the sum of its proper divisors (33094479).

40134705 is a wasteful number, since it uses less digits than its factorization.

40134705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40134705 is about 6335.1957349398. The cubic root of 40134705 is about 342.3786630416.

Adding to 40134705 its reverse (50743104), we get a palindrome (90877809).

The spelling of 40134705 in words is "forty million, one hundred thirty-four thousand, seven hundred five".