133400936887605 has 96 divisors (see below), whose sum is σ = 247172567136768. Its totient is φ = 66324178636800.

The previous prime is 133400936887553. The next prime is 133400936887637. The reversal of 133400936887605 is 506788639004331.

133400936887605 is a `hidden beast` number, since 1 + 3 + 3 + 400 + 93 + 6 + 8 + 87 + 60 + 5 = 666.

It is not a de Polignac number, because 133400936887605 - 2¹⁴ = 133400936871221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34041160 + ... + 37757150.

It is an arithmetic number, because the mean of its divisors is an integer number (2574714241008).

Almost surely, 2^{133400936887605} is an apocalyptic number.

133400936887605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133400936887605 is a deficient number, since it is larger than the sum of its proper divisors (113771630249163).

133400936887605 is a wasteful number, since it uses less digits than its factorization.

133400936887605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716467 (or 3716464 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 133400936887605 in words is "one hundred thirty-three trillion, four hundred billion, nine hundred thirty-six million, eight hundred eighty-seven thousand, six hundred five".