135073149 has 4 divisors (see below), whose sum is σ = 180097536. Its totient is φ = 90048764.

The previous prime is 135073087. The next prime is 135073151. The reversal of 135073149 is 941370531.

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 135073149 - 2⁸ = 135072893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135073189) 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, 22512189 + ... + 22512194.

It is an arithmetic number, because the mean of its divisors is an integer number (45024384).

Almost surely, 2^135073149 is an apocalyptic number.

It is an amenable number.

135073149 is a deficient number, since it is larger than the sum of its proper divisors (45024387).

135073149 is an equidigital number, since it uses as much as digits as its factorization.

135073149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45024386.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 135073149 is about 11622.0974440933. The cubic root of 135073149 is about 513.0854213700.

The spelling of 135073149 in words is "one hundred thirty-five million, seventy-three thousand, one hundred forty-nine".