135501044 has 24 divisors (see below), whose sum is σ = 272229888. Its totient is φ = 57808800.

The previous prime is 135501043. The next prime is 135501059. The reversal of 135501044 is 440105531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135501043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4607 + ... + 17094.

It is an arithmetic number, because the mean of its divisors is an integer number (11342912).

Almost surely, 2^135501044 is an apocalyptic number.

135501044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135501044 is an abundant number, since it is smaller than the sum of its proper divisors (136728844).

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

135501044 is a wasteful number, since it uses less digits than its factorization.

135501044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21935 (or 21933 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 135501044 is about 11640.4915703762. The cubic root of 135501044 is about 513.6266472735.

Adding to 135501044 its reverse (440105531), we get a palindrome (575606575).

The spelling of 135501044 in words is "one hundred thirty-five million, five hundred one thousand, forty-four".