133651320604 has 6 divisors (see below), whose sum is σ = 233889811064. Its totient is φ = 66825660300.

The previous prime is 133651320601. The next prime is 133651320623. The reversal of 133651320604 is 406023156331.

It is a self number, because there is not a number n which added to its sum of digits gives 133651320604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133651320601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16706415072 + ... + 16706415079.

Almost surely, 2^133651320604 is an apocalyptic number.

It is an amenable number.

133651320604 is a deficient number, since it is larger than the sum of its proper divisors (100238490460).

133651320604 is a wasteful number, since it uses less digits than its factorization.

133651320604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33412830155 (or 33412830153 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 133651320604 its reverse (406023156331), we get a palindrome (539674476935).

The spelling of 133651320604 in words is "one hundred thirty-three billion, six hundred fifty-one million, three hundred twenty thousand, six hundred four".