135919528 has 8 divisors (see below), whose sum is σ = 254849130. Its totient is φ = 67959760.

The previous prime is 135919519. The next prime is 135919543. The reversal of 135919528 is 825919531.

It is a happy number.

135919528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 92121604 + 43797924 = 9598^2 + 6618^2 .

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, 8494963 + ... + 8494978.

Almost surely, 2^135919528 is an apocalyptic number.

It is an amenable number.

135919528 is a deficient number, since it is larger than the sum of its proper divisors (118929602).

135919528 is a wasteful number, since it uses less digits than its factorization.

135919528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16989947 (or 16989943 counting only the distinct ones).

The product of its digits is 97200, while the sum is 43.

The square root of 135919528 is about 11658.4530706265. The cubic root of 135919528 is about 514.1548686234.

The spelling of 135919528 in words is "one hundred thirty-five million, nine hundred nineteen thousand, five hundred twenty-eight".