135212776 has 8 divisors (see below), whose sum is σ = 253523970. Its totient is φ = 67606384.

The previous prime is 135212743. The next prime is 135212801. The reversal of 135212776 is 677212531.

It can be written as a sum of positive squares in only one way, i.e., 100520676 + 34692100 = 10026^2 + 5890^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8450791 + ... + 8450806.

Almost surely, 2^135212776 is an apocalyptic number.

It is an amenable number.

135212776 is a deficient number, since it is larger than the sum of its proper divisors (118311194).

135212776 is a wasteful number, since it uses less digits than its factorization.

135212776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16901603 (or 16901599 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 135212776 is about 11628.1028547223. The cubic root of 135212776 is about 513.2621550079.

The spelling of 135212776 in words is "one hundred thirty-five million, two hundred twelve thousand, seven hundred seventy-six".