135141256 has 8 divisors (see below), whose sum is σ = 253389870. Its totient is φ = 67570624.

The previous prime is 135141233. The next prime is 135141277. The reversal of 135141256 is 652141531.

It can be written as a sum of positive squares in only one way, i.e., 133772356 + 1368900 = 11566^2 + 1170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8446321 + ... + 8446336.

Almost surely, 2^135141256 is an apocalyptic number.

It is an amenable number.

135141256 is a deficient number, since it is larger than the sum of its proper divisors (118248614).

135141256 is a wasteful number, since it uses less digits than its factorization.

135141256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16892663 (or 16892659 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 135141256 is about 11625.0271397533. The cubic root of 135141256 is about 513.1716433848.

Adding to 135141256 its reverse (652141531), we get a palindrome (787282787).

The spelling of 135141256 in words is "one hundred thirty-five million, one hundred forty-one thousand, two hundred fifty-six".