135298983 has 16 divisors (see below), whose sum is σ = 184796640. Its totient is φ = 88018944.

The previous prime is 135298967. The next prime is 135298991. The reversal of 135298983 is 389892531.

It is a happy number.

135298983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135298983 - 2⁴ = 135298967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135298993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28483 + ... + 32891.

It is an arithmetic number, because the mean of its divisors is an integer number (11549790).

Almost surely, 2^135298983 is an apocalyptic number.

135298983 is a deficient number, since it is larger than the sum of its proper divisors (49497657).

135298983 is a wasteful number, since it uses less digits than its factorization.

135298983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658.

The product of its digits is 466560, while the sum is 48.

The square root of 135298983 is about 11631.8091026289. The cubic root of 135298983 is about 513.3712112471.

The spelling of 135298983 in words is "one hundred thirty-five million, two hundred ninety-eight thousand, nine hundred eighty-three".