135250213 has 8 divisors (see below), whose sum is σ = 154643328. Its totient is φ = 115875024.

The previous prime is 135250201. The next prime is 135250261. The reversal of 135250213 is 312052531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135250213 - 2⁹ = 135249701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135256213) 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 7 ways as a sum of consecutive naturals, for example, 22695 + ... + 28027.

It is an arithmetic number, because the mean of its divisors is an integer number (19330416).

Almost surely, 2^135250213 is an apocalyptic number.

It is an amenable number.

135250213 is a deficient number, since it is larger than the sum of its proper divisors (19393115).

135250213 is an equidigital number, since it uses as much as digits as its factorization.

135250213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 135250213 is about 11629.7125071947. The cubic root of 135250213 is about 513.3095204092.

The spelling of 135250213 in words is "one hundred thirty-five million, two hundred fifty thousand, two hundred thirteen".