133516306444 has 6 divisors (see below), whose sum is σ = 233653536284. Its totient is φ = 66758153220.

The previous prime is 133516306393. The next prime is 133516306457. The reversal of 133516306444 is 444603615331.

It is a junction number, because it is equal to n+sod(n) for n = 133516306397 and 133516306406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16689538302 + ... + 16689538309.

Almost surely, 2^133516306444 is an apocalyptic number.

It is an amenable number.

133516306444 is a deficient number, since it is larger than the sum of its proper divisors (100137229840).

133516306444 is a wasteful number, since it uses less digits than its factorization.

133516306444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33379076615 (or 33379076613 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 133516306444 in words is "one hundred thirty-three billion, five hundred sixteen million, three hundred six thousand, four hundred forty-four".