135383954 has 8 divisors (see below), whose sum is σ = 215021628. Its totient is φ = 63710080.

The previous prime is 135383953. The next prime is 135383981. The reversal of 135383954 is 459383531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132871729 + 2512225 = 11527^2 + 1585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135383953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990907 + ... + 1990974.

Almost surely, 2^135383954 is an apocalyptic number.

135383954 is a deficient number, since it is larger than the sum of its proper divisors (79637674).

135383954 is a wasteful number, since it uses less digits than its factorization.

135383954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981900.

The product of its digits is 194400, while the sum is 41.

The square root of 135383954 is about 11635.4610566148. The cubic root of 135383954 is about 513.4786585602.

The spelling of 135383954 in words is "one hundred thirty-five million, three hundred eighty-three thousand, nine hundred fifty-four".