135287593108 has 6 divisors (see below), whose sum is σ = 236753287946. Its totient is φ = 67643796552.

The previous prime is 135287593073. The next prime is 135287593109. The reversal of 135287593108 is 801395782531.

It can be written as a sum of positive squares in only one way, i.e., 91356271504 + 43931321604 = 302252^2 + 209598^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135287593109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16910949135 + ... + 16910949142.

Almost surely, 2^135287593108 is an apocalyptic number.

It is an amenable number.

135287593108 is a deficient number, since it is larger than the sum of its proper divisors (101465694838).

135287593108 is a wasteful number, since it uses less digits than its factorization.

135287593108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33821898281 (or 33821898279 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 135287593108 in words is "one hundred thirty-five billion, two hundred eighty-seven million, five hundred ninety-three thousand, one hundred eight".