135131044 has 12 divisors (see below), whose sum is σ = 236726784. Its totient is φ = 67494824.

The previous prime is 135131041. The next prime is 135131053. The reversal of 135131044 is 440131531.

135131044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (135131041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13252 + ... + 21115.

It is an arithmetic number, because the mean of its divisors is an integer number (19727232).

Almost surely, 2^135131044 is an apocalyptic number.

It is an amenable number.

135131044 is a deficient number, since it is larger than the sum of its proper divisors (101595740).

135131044 is a wasteful number, since it uses less digits than its factorization.

135131044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35354 (or 35352 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 135131044 is about 11624.5879066744. The cubic root of 135131044 is about 513.1587170562.

Adding to 135131044 its reverse (440131531), we get a palindrome (575262575).

The spelling of 135131044 in words is "one hundred thirty-five million, one hundred thirty-one thousand, forty-four".