135125390468 has 6 divisors (see below), whose sum is σ = 236469433326. Its totient is φ = 67562695232.

The previous prime is 135125390459. The next prime is 135125390507. The reversal of 135125390468 is 864093521531.

It can be written as a sum of positive squares in only one way, i.e., 132286418944 + 2838971524 = 363712^2 + 53282^2 .

It is a super-2 number, since 2×135125390468² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 16890673805 + ... + 16890673812.

It is an arithmetic number, because the mean of its divisors is an integer number (39411572221).

Almost surely, 2^135125390468 is an apocalyptic number.

It is an amenable number.

135125390468 is a deficient number, since it is larger than the sum of its proper divisors (101344042858).

135125390468 is a wasteful number, since it uses less digits than its factorization.

135125390468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33781347621 (or 33781347619 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 135125390468 in words is "one hundred thirty-five billion, one hundred twenty-five million, three hundred ninety thousand, four hundred sixty-eight".