40134730 has 8 divisors (see below), whose sum is σ = 72242532. Its totient is φ = 16053888.

The previous prime is 40134719. The next prime is 40134749. The reversal of 40134730 is 3743104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38081241 + 2053489 = 6171^2 + 1433^2 .

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

It is a super-2 number, since 2×40134730² = 3221593104345800, which contains 22 as substring.

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, 2006727 + ... + 2006746.

Almost surely, 2^40134730 is an apocalyptic number.

40134730 is a deficient number, since it is larger than the sum of its proper divisors (32107802).

40134730 is a wasteful number, since it uses less digits than its factorization.

40134730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013480.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 40134730 is about 6335.1977080435. The cubic root of 40134730 is about 342.3787341310.

Adding to 40134730 its reverse (3743104), we get a palindrome (43877834).

The spelling of 40134730 in words is "forty million, one hundred thirty-four thousand, seven hundred thirty".