135591344468 has 6 divisors (see below), whose sum is σ = 237284852826. Its totient is φ = 67795672232.

The previous prime is 135591344437. The next prime is 135591344557. The reversal of 135591344468 is 864443195531.

It can be written as a sum of positive squares in only one way, i.e., 120827150404 + 14764194064 = 347602^2 + 121508^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16948918055 + ... + 16948918062.

It is an arithmetic number, because the mean of its divisors is an integer number (39547475471).

Almost surely, 2^135591344468 is an apocalyptic number.

It is an amenable number.

135591344468 is a deficient number, since it is larger than the sum of its proper divisors (101693508358).

135591344468 is a wasteful number, since it uses less digits than its factorization.

135591344468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33897836121 (or 33897836119 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 53.

The spelling of 135591344468 in words is "one hundred thirty-five billion, five hundred ninety-one million, three hundred forty-four thousand, four hundred sixty-eight".