135855582 has 16 divisors (see below), whose sum is σ = 272432640. Its totient is φ = 45164952.

The previous prime is 135855571. The next prime is 135855611. The reversal of 135855582 is 285558531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27598 + ... + 32145.

It is an arithmetic number, because the mean of its divisors is an integer number (17027040).

Almost surely, 2^135855582 is an apocalyptic number.

135855582 is an abundant number, since it is smaller than the sum of its proper divisors (136577058).

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

135855582 is a wasteful number, since it uses less digits than its factorization.

135855582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60127.

The product of its digits is 240000, while the sum is 42.

The square root of 135855582 is about 11655.7102743677. The cubic root of 135855582 is about 514.0742245710.

The spelling of 135855582 in words is "one hundred thirty-five million, eight hundred fifty-five thousand, five hundred eighty-two".