135428276683 has 4 divisors (see below), whose sum is σ = 154775173360. Its totient is φ = 116081380008.

The previous prime is 135428276681. The next prime is 135428276699. The reversal of 135428276683 is 386672824531.

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

It is a cyclic number.

It is not a de Polignac number, because 135428276683 - 2¹ = 135428276681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135428276681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9673448328 + ... + 9673448341.

It is an arithmetic number, because the mean of its divisors is an integer number (38693793340).

Almost surely, 2^135428276683 is an apocalyptic number.

135428276683 is a deficient number, since it is larger than the sum of its proper divisors (19346896677).

135428276683 is an equidigital number, since it uses as much as digits as its factorization.

135428276683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19346896676.

The product of its digits is 11612160, while the sum is 55.

The spelling of 135428276683 in words is "one hundred thirty-five billion, four hundred twenty-eight million, two hundred seventy-six thousand, six hundred eighty-three".