135428774 has 8 divisors (see below), whose sum is σ = 218769600. Its totient is φ = 62505576.

The previous prime is 135428773. The next prime is 135428837. The reversal of 135428774 is 477824531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135428773) 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, 2604374 + ... + 2604425.

It is an arithmetic number, because the mean of its divisors is an integer number (27346200).

Almost surely, 2^135428774 is an apocalyptic number.

135428774 is a deficient number, since it is larger than the sum of its proper divisors (83340826).

135428774 is a wasteful number, since it uses less digits than its factorization.

135428774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208814.

The product of its digits is 188160, while the sum is 41.

The square root of 135428774 is about 11637.3869060026. The cubic root of 135428774 is about 513.5353161221.

The spelling of 135428774 in words is "one hundred thirty-five million, four hundred twenty-eight thousand, seven hundred seventy-four".