135130044 has 36 divisors (see below), whose sum is σ = 366783144. Its totient is φ = 38608416.

The previous prime is 135130027. The next prime is 135130049. The reversal of 135130044 is 440031531.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 135130044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135130049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114319 + ... + 115494.

Almost surely, 2^135130044 is an apocalyptic number.

135130044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135130044 is an abundant number, since it is smaller than the sum of its proper divisors (231653100).

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

135130044 is a wasteful number, since it uses less digits than its factorization.

135130044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229834 (or 229825 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 135130044 is about 11624.5448943174. The cubic root of 135130044 is about 513.1574512233.

Adding to 135130044 its reverse (440031531), we get a palindrome (575161575).

The spelling of 135130044 in words is "one hundred thirty-five million, one hundred thirty thousand, forty-four".