135201251244 has 12 divisors (see below), whose sum is σ = 315469586264. Its totient is φ = 45067083744.

The previous prime is 135201251231. The next prime is 135201251281. The reversal of 135201251244 is 442152102531.

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, 5633385457 + ... + 5633385480.

Almost surely, 2^135201251244 is an apocalyptic number.

It is an amenable number.

135201251244 is an abundant number, since it is smaller than the sum of its proper divisors (180268335020).

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

135201251244 is a wasteful number, since it uses less digits than its factorization.

135201251244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11266770944 (or 11266770942 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 135201251244 its reverse (442152102531), we get a palindrome (577353353775).

The spelling of 135201251244 in words is "one hundred thirty-five billion, two hundred one million, two hundred fifty-one thousand, two hundred forty-four".