133023004651646 has 8 divisors (see below), whose sum is σ = 200078197733280. Its totient is φ = 66330272073888.

The previous prime is 133023004651637. The next prime is 133023004651657. The reversal of 133023004651646 is 646156400320331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 133023004651597 and 133023004651606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90615125051 + ... + 90615126518.

It is an arithmetic number, because the mean of its divisors is an integer number (25009774716660).

Almost surely, 2^{133023004651646} is an apocalyptic number.

133023004651646 is a deficient number, since it is larger than the sum of its proper divisors (67055193081634).

133023004651646 is a wasteful number, since it uses less digits than its factorization.

133023004651646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181230251938.

The product of its (nonzero) digits is 933120, while the sum is 44.

Adding to 133023004651646 its reverse (646156400320331), we get a palindrome (779179404971977).

The spelling of 133023004651646 in words is "one hundred thirty-three trillion, twenty-three billion, four million, six hundred fifty-one thousand, six hundred forty-six".