135528784 has 10 divisors (see below), whose sum is σ = 262587050. Its totient is φ = 67764384.

The previous prime is 135528781. The next prime is 135528787. The reversal of 135528784 is 487825531.

It is an interprime number because it is at equal distance from previous prime (135528781) and next prime (135528787).

It can be written as a sum of positive squares in only one way, i.e., 123832384 + 11696400 = 11128^2 + 3420^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135528784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135528781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4235259 + ... + 4235290.

It is an arithmetic number, because the mean of its divisors is an integer number (26258705).

Almost surely, 2^135528784 is an apocalyptic number.

It is an amenable number.

135528784 is a deficient number, since it is larger than the sum of its proper divisors (127058266).

135528784 is an equidigital number, since it uses as much as digits as its factorization.

135528784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470557 (or 8470551 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 135528784 is about 11641.6830398358. The cubic root of 135528784 is about 513.6616950502.

The spelling of 135528784 in words is "one hundred thirty-five million, five hundred twenty-eight thousand, seven hundred eighty-four".