133451265644 has 6 divisors (see below), whose sum is σ = 233539714884. Its totient is φ = 66725632820.

The previous prime is 133451265589. The next prime is 133451265697. The reversal of 133451265644 is 446562154331.

It is a junction number, because it is equal to n+sod(n) for n = 133451265595 and 133451265604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16681408202 + ... + 16681408209.

It is an arithmetic number, because the mean of its divisors is an integer number (38923285814).

Almost surely, 2^133451265644 is an apocalyptic number.

It is an amenable number.

133451265644 is a deficient number, since it is larger than the sum of its proper divisors (100088449240).

133451265644 is a wasteful number, since it uses less digits than its factorization.

133451265644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33362816415 (or 33362816413 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The spelling of 133451265644 in words is "one hundred thirty-three billion, four hundred fifty-one million, two hundred sixty-five thousand, six hundred forty-four".