135483999 has 32 divisors (see below), whose sum is σ = 220340736. Its totient is φ = 72284160.

The previous prime is 135483977. The next prime is 135484009. The reversal of 135483999 is 999384531.

It is a happy number.

It is not a de Polignac number, because 135483999 - 2⁸ = 135483743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135483599) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 45319 + ... + 48215.

It is an arithmetic number, because the mean of its divisors is an integer number (6885648).

Almost surely, 2^135483999 is an apocalyptic number.

135483999 is a deficient number, since it is larger than the sum of its proper divisors (84856737).

135483999 is a wasteful number, since it uses less digits than its factorization.

135483999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055.

The product of its digits is 1049760, while the sum is 51.

The square root of 135483999 is about 11639.7594047300. The cubic root of 135483999 is about 513.6051095961.

The spelling of 135483999 in words is "one hundred thirty-five million, four hundred eighty-three thousand, nine hundred ninety-nine".