135311332 has 48 divisors (see below), whose sum is σ = 268939440. Its totient is φ = 59125248.

The previous prime is 135311317. The next prime is 135311377. The reversal of 135311332 is 233113531.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2232036 + 133079296 = 1494^2 + 11536^2 .

It is a super-2 number, since 2×135311332² = 36618313135228448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79078 + ... + 80770.

It is an arithmetic number, because the mean of its divisors is an integer number (5602905).

Almost surely, 2^135311332 is an apocalyptic number.

It is an amenable number.

135311332 is a deficient number, since it is larger than the sum of its proper divisors (133628108).

135311332 is a wasteful number, since it uses less digits than its factorization.

135311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1790 counting only the distinct ones).

The product of its digits is 810, while the sum is 22.

The square root of 135311332 is about 11632.3399193799. The cubic root of 135311332 is about 513.3868295665.

Adding to 135311332 its reverse (233113531), we get a palindrome (368424863).

The spelling of 135311332 in words is "one hundred thirty-five million, three hundred eleven thousand, three hundred thirty-two".