135780534 has 12 divisors (see below), whose sum is σ = 294191196. Its totient is φ = 45260172.

The previous prime is 135780497. The next prime is 135780551. The reversal of 135780534 is 435087531.

135780534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3771664 + ... + 3771699.

It is an arithmetic number, because the mean of its divisors is an integer number (24515933).

Almost surely, 2^135780534 is an apocalyptic number.

135780534 is an abundant number, since it is smaller than the sum of its proper divisors (158410662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135780534 is a wasteful number, since it uses less digits than its factorization.

135780534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7543371 (or 7543368 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 135780534 is about 11652.4904634160. The cubic root of 135780534 is about 513.9795471985.

The spelling of 135780534 in words is "one hundred thirty-five million, seven hundred eighty thousand, five hundred thirty-four".