133043401946 has 32 divisors (see below), whose sum is σ = 246865449600. Its totient is φ = 52365370176.

The previous prime is 133043401927. The next prime is 133043401957. The reversal of 133043401946 is 649104340331.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 1819496 + ... + 1891203.

It is an arithmetic number, because the mean of its divisors is an integer number (7714545300).

Almost surely, 2^133043401946 is an apocalyptic number.

133043401946 is a deficient number, since it is larger than the sum of its proper divisors (113822047654).

133043401946 is a wasteful number, since it uses less digits than its factorization.

133043401946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710918.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 133043401946 in words is "one hundred thirty-three billion, forty-three million, four hundred one thousand, nine hundred forty-six".