135541149 has 4 divisors (see below), whose sum is σ = 180721536. Its totient is φ = 90360764.

The previous prime is 135541129. The next prime is 135541151. The reversal of 135541149 is 941145531.

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 135541149 - 2⁹ = 135540637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135541129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22590189 + ... + 22590194.

It is an arithmetic number, because the mean of its divisors is an integer number (45180384).

Almost surely, 2^135541149 is an apocalyptic number.

It is an amenable number.

135541149 is a deficient number, since it is larger than the sum of its proper divisors (45180387).

135541149 is an equidigital number, since it uses as much as digits as its factorization.

135541149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45180386.

The product of its digits is 10800, while the sum is 33.

The square root of 135541149 is about 11642.2140935477. The cubic root of 135541149 is about 513.6773159231.

The spelling of 135541149 in words is "one hundred thirty-five million, five hundred forty-one thousand, one hundred forty-nine".