40134593 has 4 divisors (see below), whose sum is σ = 42246960. Its totient is φ = 38022228.

The previous prime is 40134583. The next prime is 40134629. The reversal of 40134593 is 39543104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40134593 - 2¹⁴ = 40118209 is a prime.

It is a super-2 number, since 2×40134593² = 3221571110551298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40134533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056155 + ... + 1056192.

It is an arithmetic number, because the mean of its divisors is an integer number (10561740).

Almost surely, 2^40134593 is an apocalyptic number.

It is an amenable number.

40134593 is a deficient number, since it is larger than the sum of its proper divisors (2112367).

40134593 is a wasteful number, since it uses less digits than its factorization.

40134593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112366.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 40134593 is about 6335.1868954278. The cubic root of 40134593 is about 342.3783445604.

Adding to 40134593 its reverse (39543104), we get a palindrome (79677697).

The spelling of 40134593 in words is "forty million, one hundred thirty-four thousand, five hundred ninety-three".