135521882 has 4 divisors (see below), whose sum is σ = 203282826. Its totient is φ = 67760940.

The previous prime is 135521849. The next prime is 135521899. The reversal of 135521882 is 288125531.

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., 82973881 + 52548001 = 9109^2 + 7249^2 .

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, 33880469 + ... + 33880472.

Almost surely, 2^135521882 is an apocalyptic number.

135521882 is a deficient number, since it is larger than the sum of its proper divisors (67760944).

135521882 is an equidigital number, since it uses as much as digits as its factorization.

135521882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67760943.

The product of its digits is 19200, while the sum is 35.

The square root of 135521882 is about 11641.3866012602. The cubic root of 135521882 is about 513.6529752464.

The spelling of 135521882 in words is "one hundred thirty-five million, five hundred twenty-one thousand, eight hundred eighty-two".