133551355044 has 24 divisors (see below), whose sum is σ = 314705176128. Its totient is φ = 44076354400.

The previous prime is 133551354983. The next prime is 133551355073. The reversal of 133551355044 is 440553155331.

It is a junction number, because it is equal to n+sod(n) for n = 133551354993 and 133551355011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55094232 + ... + 55096655.

It is an arithmetic number, because the mean of its divisors is an integer number (13112715672).

Almost surely, 2^133551355044 is an apocalyptic number.

It is an amenable number.

133551355044 is an abundant number, since it is smaller than the sum of its proper divisors (181153821084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133551355044 is a wasteful number, since it uses less digits than its factorization.

133551355044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110190995 (or 110190993 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 133551355044 in words is "one hundred thirty-three billion, five hundred fifty-one million, three hundred fifty-five thousand, forty-four".