135181075 has 6 divisors (see below), whose sum is σ = 167624564. Its totient is φ = 108144840.

The previous prime is 135181073. The next prime is 135181103. The reversal of 135181075 is 570181531.

It is not a de Polignac number, because 135181075 - 2¹ = 135181073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135181073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2703597 + ... + 2703646.

Almost surely, 2^135181075 is an apocalyptic number.

135181075 is a deficient number, since it is larger than the sum of its proper divisors (32443489).

135181075 is an equidigital number, since it uses as much as digits as its factorization.

135181075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407253 (or 5407248 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 135181075 is about 11626.7396547785. The cubic root of 135181075 is about 513.2220399739. Note that the first 3 decimals are identical.

The spelling of 135181075 in words is "one hundred thirty-five million, one hundred eighty-one thousand, seventy-five".