135193044 has 72 divisors (see below), whose sum is σ = 383037760. Its totient is φ = 36347904.

The previous prime is 135193043. The next prime is 135193049. The reversal of 135193044 is 440391531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135193043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21492 + ... + 27060.

Almost surely, 2^135193044 is an apocalyptic number.

135193044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135193044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191518880).

135193044 is an abundant number, since it is smaller than the sum of its proper divisors (247844716).

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

135193044 is a wasteful number, since it uses less digits than its factorization.

135193044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617 (or 5598 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 135193044 is about 11627.2543620581. The cubic root of 135193044 is about 513.2371865056.

It can be divided in two parts, 1351 and 93044, that added together give a triangular number (94395 = T₄₃₄).

The spelling of 135193044 in words is "one hundred thirty-five million, one hundred ninety-three thousand, forty-four".