135371073 has 4 divisors (see below), whose sum is σ = 180494768. Its totient is φ = 90247380.

The previous prime is 135371057. The next prime is 135371087. The reversal of 135371073 is 370173531.

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 not a de Polignac number, because 135371073 - 2⁴ = 135371057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135371073.

It is not an unprimeable number, because it can be changed into a prime (135371023) 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, 22561843 + ... + 22561848.

It is an arithmetic number, because the mean of its divisors is an integer number (45123692).

Almost surely, 2^135371073 is an apocalyptic number.

It is an amenable number.

135371073 is a deficient number, since it is larger than the sum of its proper divisors (45123695).

135371073 is an equidigital number, since it uses as much as digits as its factorization.

135371073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45123694.

The product of its (nonzero) digits is 6615, while the sum is 30.

The square root of 135371073 is about 11634.9075200450. The cubic root of 135371073 is about 513.4623732024.

The spelling of 135371073 in words is "one hundred thirty-five million, three hundred seventy-one thousand, seventy-three".