135900573 has 4 divisors (see below), whose sum is σ = 181200768. Its totient is φ = 90600380.

The previous prime is 135900563. The next prime is 135900577. The reversal of 135900573 is 375009531.

135900573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135900573 - 2¹⁰ = 135899549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135900577) 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, 22650093 + ... + 22650098.

It is an arithmetic number, because the mean of its divisors is an integer number (45300192).

Almost surely, 2^135900573 is an apocalyptic number.

It is an amenable number.

135900573 is a deficient number, since it is larger than the sum of its proper divisors (45300195).

135900573 is an equidigital number, since it uses as much as digits as its factorization.

135900573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45300194.

The product of its (nonzero) digits is 14175, while the sum is 33.

The square root of 135900573 is about 11657.6401128187. The cubic root of 135900573 is about 514.1309665917.

The spelling of 135900573 in words is "one hundred thirty-five million, nine hundred thousand, five hundred seventy-three".