135044154 has 96 divisors (see below), whose sum is σ = 348566400. Its totient is φ = 36982656.

The previous prime is 135044131. The next prime is 135044197. The reversal of 135044154 is 451440531.

135044154 = 162² + 163² + ... + 742².

It is a happy number.

135044154 is a `hidden beast` number, since 1 + 3 + 504 + 4 + 154 = 666.

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 386772 + ... + 387120.

It is an arithmetic number, because the mean of its divisors is an integer number (3630900).

Almost surely, 2^135044154 is an apocalyptic number.

135044154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135044154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174283200).

135044154 is an abundant number, since it is smaller than the sum of its proper divisors (213522246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135044154 is a wasteful number, since it uses less digits than its factorization.

135044154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 135044154 is about 11620.8499689136. The cubic root of 135044154 is about 513.0487055201.

Adding to 135044154 its reverse (451440531), we get a palindrome (586484685).

The spelling of 135044154 in words is "one hundred thirty-five million, forty-four thousand, one hundred fifty-four".