133001581878487 has 8 divisors (see below), whose sum is σ = 152002276651296. Its totient is φ = 114001004303232.

The previous prime is 133001581878461. The next prime is 133001581878509. The reversal of 133001581878487 is 784878185100331.

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

It is a cyclic number.

It is not a de Polignac number, because 133001581878487 - 2⁷ = 133001581878359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133001581878587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26853958 + ... + 31418755.

It is an arithmetic number, because the mean of its divisors is an integer number (19000284581412).

Almost surely, 2^{133001581878487} is an apocalyptic number.

133001581878487 is a deficient number, since it is larger than the sum of its proper divisors (19000694772809).

133001581878487 is an equidigital number, since it uses as much as digits as its factorization.

133001581878487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58598777.

The product of its (nonzero) digits is 36126720, while the sum is 64.

The spelling of 133001581878487 in words is "one hundred thirty-three trillion, one billion, five hundred eighty-one million, eight hundred seventy-eight thousand, four hundred eighty-seven".