135906982 has 4 divisors (see below), whose sum is σ = 203860476. Its totient is φ = 67953490.

The previous prime is 135906973. The next prime is 135907039. The reversal of 135906982 is 289609531.

It is a happy number.

135906982 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33976744 + ... + 33976747.

It is an arithmetic number, because the mean of its divisors is an integer number (50965119).

Almost surely, 2^135906982 is an apocalyptic number.

135906982 is a deficient number, since it is larger than the sum of its proper divisors (67953494).

135906982 is an equidigital number, since it uses as much as digits as its factorization.

135906982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67953493.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 135906982 is about 11657.9149936856. The cubic root of 135906982 is about 514.1390485139.

The spelling of 135906982 in words is "one hundred thirty-five million, nine hundred six thousand, nine hundred eighty-two".