135515772344 has 8 divisors (see below), whose sum is σ = 254092073160. Its totient is φ = 67757886168.

The previous prime is 135515772341. The next prime is 135515772347. The reversal of 135515772344 is 443277515531.

It is an interprime number because it is at equal distance from previous prime (135515772341) and next prime (135515772347).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135515772341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8469735764 + ... + 8469735779.

It is an arithmetic number, because the mean of its divisors is an integer number (31761509145).

Almost surely, 2^135515772344 is an apocalyptic number.

It is an amenable number.

135515772344 is a deficient number, since it is larger than the sum of its proper divisors (118576300816).

135515772344 is a wasteful number, since it uses less digits than its factorization.

135515772344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16939471549 (or 16939471545 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 47.

The spelling of 135515772344 in words is "one hundred thirty-five billion, five hundred fifteen million, seven hundred seventy-two thousand, three hundred forty-four".