135051211 has 4 divisors (see below), whose sum is σ = 136760800. Its totient is φ = 133341624.

The previous prime is 135051197. The next prime is 135051223. The reversal of 135051211 is 112150531.

135051211 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 an emirpimes, since its reverse is a distinct semiprime: 112150531 = 4391 ⋅25541.

It is a cyclic number.

It is not a de Polignac number, because 135051211 - 2⁷ = 135051083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135051251) 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, 854676 + ... + 854833.

It is an arithmetic number, because the mean of its divisors is an integer number (34190200).

Almost surely, 2^135051211 is an apocalyptic number.

135051211 is a deficient number, since it is larger than the sum of its proper divisors (1709589).

135051211 is an equidigital number, since it uses as much as digits as its factorization.

135051211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709588.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 135051211 is about 11621.1536002240. The cubic root of 135051211 is about 513.0576421568.

The spelling of 135051211 in words is "one hundred thirty-five million, fifty-one thousand, two hundred eleven".