135829785 has 64 divisors (see below), whose sum is σ = 269660160. Its totient is φ = 56851200.

The previous prime is 135829783. The next prime is 135829787. The reversal of 135829785 is 587928531.

It is an interprime number because it is at equal distance from previous prime (135829783) and next prime (135829787).

It is not a de Polignac number, because 135829785 - 2¹ = 135829783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135829781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 205786 + ... + 206444.

It is an arithmetic number, because the mean of its divisors is an integer number (4213440).

Almost surely, 2^135829785 is an apocalyptic number.

135829785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135829785 is a deficient number, since it is larger than the sum of its proper divisors (133830375).

135829785 is a wasteful number, since it uses less digits than its factorization.

135829785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838.

The product of its digits is 604800, while the sum is 48.

The square root of 135829785 is about 11654.6035968625. The cubic root of 135829785 is about 514.0416841040.

The spelling of 135829785 in words is "one hundred thirty-five million, eight hundred twenty-nine thousand, seven hundred eighty-five".