135115044 has 12 divisors (see below), whose sum is σ = 315268464. Its totient is φ = 45038344.

The previous prime is 135115037. The next prime is 135115051. The reversal of 135115044 is 440511531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135115037) and next prime (135115051).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5629782 + ... + 5629805.

It is an arithmetic number, because the mean of its divisors is an integer number (26272372).

Almost surely, 2^135115044 is an apocalyptic number.

It is an amenable number.

135115044 is an abundant number, since it is smaller than the sum of its proper divisors (180153420).

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

135115044 is a wasteful number, since it uses less digits than its factorization.

135115044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11259594 (or 11259592 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 135115044 is about 11623.8996898631. The cubic root of 135115044 is about 513.1384629796.

Adding to 135115044 its reverse (440511531), we get a palindrome (575626575).

The spelling of 135115044 in words is "one hundred thirty-five million, one hundred fifteen thousand, forty-four".