135001444 has 24 divisors (see below), whose sum is σ = 248347008. Its totient is φ = 64088640.

The previous prime is 135001423. The next prime is 135001453. The reversal of 135001444 is 444100531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7249 + ... + 17959.

It is an arithmetic number, because the mean of its divisors is an integer number (10347792).

Almost surely, 2^135001444 is an apocalyptic number.

It is an amenable number.

135001444 is a deficient number, since it is larger than the sum of its proper divisors (113345564).

135001444 is a wasteful number, since it uses less digits than its factorization.

135001444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875 (or 10873 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 135001444 is about 11619.0121783222. The cubic root of 135001444 is about 512.9946130374.

Adding to 135001444 its reverse (444100531), we get a palindrome (579101975).

The spelling of 135001444 in words is "one hundred thirty-five million, one thousand, four hundred forty-four".