135240514644 has 12 divisors (see below), whose sum is σ = 315561200864. Its totient is φ = 45080171544.

The previous prime is 135240514589. The next prime is 135240514691. The reversal of 135240514644 is 446415042531.

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

It is a congruent number.

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, 5635021432 + ... + 5635021455.

Almost surely, 2^135240514644 is an apocalyptic number.

It is an amenable number.

135240514644 is an abundant number, since it is smaller than the sum of its proper divisors (180320686220).

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

135240514644 is a wasteful number, since it uses less digits than its factorization.

135240514644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270042894 (or 11270042892 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 135240514644 in words is "one hundred thirty-five billion, two hundred forty million, five hundred fourteen thousand, six hundred forty-four".