135697882 has 4 divisors (see below), whose sum is σ = 203546826. Its totient is φ = 67848940.

The previous prime is 135697871. The next prime is 135697909. The reversal of 135697882 is 288796531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 89851441 + 45846441 = 9479^2 + 6771^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33924469 + ... + 33924472.

Almost surely, 2^135697882 is an apocalyptic number.

135697882 is a deficient number, since it is larger than the sum of its proper divisors (67848944).

135697882 is an equidigital number, since it uses as much as digits as its factorization.

135697882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67848943.

The product of its digits is 725760, while the sum is 49.

The square root of 135697882 is about 11648.9433855608. The cubic root of 135697882 is about 513.8752365659.

The spelling of 135697882 in words is "one hundred thirty-five million, six hundred ninety-seven thousand, eight hundred eighty-two".