135931348772 has 6 divisors (see below), whose sum is σ = 237879860358. Its totient is φ = 67965674384.

The previous prime is 135931348771. The next prime is 135931348829. The reversal of 135931348772 is 277843139531.

It can be written as a sum of positive squares in only one way, i.e., 122735312896 + 13196035876 = 350336^2 + 114874^2 .

It is not an unprimeable number, because it can be changed into a prime (135931348771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16991418593 + ... + 16991418600.

It is an arithmetic number, because the mean of its divisors is an integer number (39646643393).

Almost surely, 2^135931348772 is an apocalyptic number.

It is an amenable number.

135931348772 is a deficient number, since it is larger than the sum of its proper divisors (101948511586).

135931348772 is a wasteful number, since it uses less digits than its factorization.

135931348772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33982837197 (or 33982837195 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 53.

The spelling of 135931348772 in words is "one hundred thirty-five billion, nine hundred thirty-one million, three hundred forty-eight thousand, seven hundred seventy-two".