135140041 has 4 divisors (see below), whose sum is σ = 135190800. Its totient is φ = 135089284.

The previous prime is 135140039. The next prime is 135140063. The reversal of 135140041 is 140041531.

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 135140041 - 2¹ = 135140039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135140441) 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, 21151 + ... + 26788.

It is an arithmetic number, because the mean of its divisors is an integer number (33797700).

Almost surely, 2^135140041 is an apocalyptic number.

It is an amenable number.

135140041 is a deficient number, since it is larger than the sum of its proper divisors (50759).

135140041 is an equidigital number, since it uses as much as digits as its factorization.

135140041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50758.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 135140041 is about 11624.9748816933. The cubic root of 135140041 is about 513.1701054744.

Adding to 135140041 its reverse (140041531), we get a palindrome (275181572).

The spelling of 135140041 in words is "one hundred thirty-five million, one hundred forty thousand, forty-one".