135785533 has 8 divisors (see below), whose sum is σ = 153927200. Its totient is φ = 118743408.

The previous prime is 135785519. The next prime is 135785567. The reversal of 135785533 is 335587531.

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

It is a cyclic number.

It is not a de Polignac number, because 135785533 - 2⁵ = 135785501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135785633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274623 + ... + 275116.

It is an arithmetic number, because the mean of its divisors is an integer number (19240900).

Almost surely, 2^135785533 is an apocalyptic number.

135785533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135785533 is a deficient number, since it is larger than the sum of its proper divisors (18141667).

135785533 is a wasteful number, since it uses less digits than its factorization.

135785533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549771.

The product of its digits is 189000, while the sum is 40.

The square root of 135785533 is about 11652.7049649427. The cubic root of 135785533 is about 513.9858548091.

The spelling of 135785533 in words is "one hundred thirty-five million, seven hundred eighty-five thousand, five hundred thirty-three".