135231331375772 has 6 divisors (see below), whose sum is σ = 236654829907608. Its totient is φ = 67615665687884.

The previous prime is 135231331375747. The next prime is 135231331375783. The reversal of 135231331375772 is 277573133132531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16903916421968 + ... + 16903916421975.

It is an arithmetic number, because the mean of its divisors is an integer number (39442471651268).

Almost surely, 2^{135231331375772} is an apocalyptic number.

It is an amenable number.

135231331375772 is a deficient number, since it is larger than the sum of its proper divisors (101423498531836).

135231331375772 is a wasteful number, since it uses less digits than its factorization.

135231331375772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33807832843947 (or 33807832843945 counting only the distinct ones).

The product of its digits is 8334900, while the sum is 53.

The spelling of 135231331375772 in words is "one hundred thirty-five trillion, two hundred thirty-one billion, three hundred thirty-one million, three hundred seventy-five thousand, seven hundred seventy-two".