135111946 has 12 divisors (see below), whose sum is σ = 206674902. Its totient is φ = 66222624.

The previous prime is 135111941. The next prime is 135111967. The reversal of 135111946 is 649111531.

It can be written as a sum of positive squares in 3 ways, for example, as 69906321 + 65205625 = 8361^2 + 8075^2 .

It is not an unprimeable number, because it can be changed into a prime (135111941) 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, 119110 + ... + 120238.

Almost surely, 2^135111946 is an apocalyptic number.

135111946 is a deficient number, since it is larger than the sum of its proper divisors (71562956).

135111946 is an frugal number, since it uses more digits than its factorization.

135111946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313 (or 1184 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 135111946 is about 11623.7664291743. The cubic root of 135111946 is about 513.1345410993.

The spelling of 135111946 in words is "one hundred thirty-five million, one hundred eleven thousand, nine hundred forty-six".