133121053351516 has 12 divisors (see below), whose sum is σ = 246665481210288. Its totient is φ = 62645201577152.

The previous prime is 133121053351511. The next prime is 133121053351541. The reversal of 133121053351516 is 615153350121331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133121053351511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978831274576 + ... + 978831274711.

It is an arithmetic number, because the mean of its divisors is an integer number (20555456767524).

Almost surely, 2^{133121053351516} is an apocalyptic number.

It is an amenable number.

133121053351516 is a deficient number, since it is larger than the sum of its proper divisors (113544427858772).

133121053351516 is a wasteful number, since it uses less digits than its factorization.

133121053351516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957662549308 (or 1957662549306 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 40.

The spelling of 133121053351516 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, fifty-three million, three hundred fifty-one thousand, five hundred sixteen".