135044402 has 8 divisors (see below), whose sum is σ = 203698800. Its totient is φ = 67144804.

The previous prime is 135044389. The next prime is 135044407. The reversal of 135044402 is 204440531.

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

It is not an unprimeable number, because it can be changed into a prime (135044407) 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, 188252 + ... + 188967.

It is an arithmetic number, because the mean of its divisors is an integer number (25462350).

Almost surely, 2^135044402 is an apocalyptic number.

135044402 is a deficient number, since it is larger than the sum of its proper divisors (68654398).

135044402 is a wasteful number, since it uses less digits than its factorization.

135044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377400.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 135044402 is about 11620.8606393847. The cubic root of 135044402 is about 513.0490195803.

Adding to 135044402 its reverse (204440531), we get a palindrome (339484933).

The spelling of 135044402 in words is "one hundred thirty-five million, forty-four thousand, four hundred two".