40134253 has 4 divisors (see below), whose sum is σ = 40279420. Its totient is φ = 39989088.

The previous prime is 40134221. The next prime is 40134271. The reversal of 40134253 is 35243104.

40134253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17123044 + 23011209 = 4138^2 + 4797^2 .

It is a cyclic number.

It is not a de Polignac number, because 40134253 - 2⁵ = 40134221 is a prime.

It is a super-2 number, since 2×40134253² = 3221516527736018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131253) 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 3 ways as a sum of consecutive naturals, for example, 72168 + ... + 72721.

It is an arithmetic number, because the mean of its divisors is an integer number (10069855).

Almost surely, 2^40134253 is an apocalyptic number.

It is an amenable number.

40134253 is a deficient number, since it is larger than the sum of its proper divisors (145167).

40134253 is a wasteful number, since it uses less digits than its factorization.

40134253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145166.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40134253 is about 6335.1600611192. The cubic root of 40134253 is about 342.3773777388.

Adding to 40134253 its reverse (35243104), we get a palindrome (75377357).

The spelling of 40134253 in words is "forty million, one hundred thirty-four thousand, two hundred fifty-three".