135111146 has 4 divisors (see below), whose sum is σ = 202666722. Its totient is φ = 67555572.

The previous prime is 135111139. The next prime is 135111187. The reversal of 135111146 is 641111531.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 122965921 + 12145225 = 11089^2 + 3485^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33777785 + ... + 33777788.

Almost surely, 2^135111146 is an apocalyptic number.

135111146 is a deficient number, since it is larger than the sum of its proper divisors (67555576).

135111146 is an equidigital number, since it uses as much as digits as its factorization.

135111146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67555575.

The product of its digits is 360, while the sum is 23.

The square root of 135111146 is about 11623.7320168696. The cubic root of 135111146 is about 513.1335283380.

Adding to 135111146 its reverse (641111531), we get a palindrome (776222677).

The spelling of 135111146 in words is "one hundred thirty-five million, one hundred eleven thousand, one hundred forty-six".