135031011 has 4 divisors (see below), whose sum is σ = 180041352. Its totient is φ = 90020672.

The previous prime is 135030997. The next prime is 135031031. The reversal of 135031011 is 110130531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135031011 - 2⁵ = 135030979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135031031) 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 3 ways as a sum of consecutive naturals, for example, 22505166 + ... + 22505171.

It is an arithmetic number, because the mean of its divisors is an integer number (45010338).

Almost surely, 2^135031011 is an apocalyptic number.

135031011 is a deficient number, since it is larger than the sum of its proper divisors (45010341).

135031011 is an equidigital number, since it uses as much as digits as its factorization.

135031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45010340.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 135031011 is about 11620.2844629553. The cubic root of 135031011 is about 513.0320610432.

Adding to 135031011 its reverse (110130531), we get a palindrome (245161542).

The spelling of 135031011 in words is "one hundred thirty-five million, thirty-one thousand, eleven".