133447780235 has 32 divisors (see below), whose sum is σ = 199673413632. Its totient is φ = 83179198080.

The previous prime is 133447780217. The next prime is 133447780243. The reversal of 133447780235 is 532087744331.

It is not a de Polignac number, because 133447780235 - 2¹² = 133447776139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133447780235.

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 31 ways as a sum of consecutive naturals, for example, 6198149 + ... + 6219641.

It is an arithmetic number, because the mean of its divisors is an integer number (6239794176).

Almost surely, 2^133447780235 is an apocalyptic number.

133447780235 is a deficient number, since it is larger than the sum of its proper divisors (66225633397).

133447780235 is a wasteful number, since it uses less digits than its factorization.

133447780235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37643.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 133447780235 in words is "one hundred thirty-three billion, four hundred forty-seven million, seven hundred eighty thousand, two hundred thirty-five".