135904266788 has 6 divisors (see below), whose sum is σ = 237832466886. Its totient is φ = 67952133392.

The previous prime is 135904266787. The next prime is 135904266833. The reversal of 135904266788 is 887662409531.

135904266788 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 80588989924 + 55315276864 = 283882^2 + 235192^2 .

It is not an unprimeable number, because it can be changed into a prime (135904266787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16988033345 + ... + 16988033352.

It is an arithmetic number, because the mean of its divisors is an integer number (39638744481).

It is a 1-persistent number, because it is pandigital, but 2⋅135904266788 = 271808533576 is not.

Almost surely, 2^135904266788 is an apocalyptic number.

It is an amenable number.

135904266788 is a deficient number, since it is larger than the sum of its proper divisors (101928200098).

135904266788 is a wasteful number, since it uses less digits than its factorization.

135904266788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33976066701 (or 33976066699 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 135904266788 in words is "one hundred thirty-five billion, nine hundred four million, two hundred sixty-six thousand, seven hundred eighty-eight".