133877143894 has 32 divisors (see below), whose sum is σ = 220362073344. Its totient is φ = 60627087360.

The previous prime is 133877143867. The next prime is 133877143903. The reversal of 133877143894 is 498341778331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183579 + ... + 549049.

It is an arithmetic number, because the mean of its divisors is an integer number (6886314792).

Almost surely, 2^133877143894 is an apocalyptic number.

133877143894 is a deficient number, since it is larger than the sum of its proper divisors (86484929450).

133877143894 is a wasteful number, since it uses less digits than its factorization.

133877143894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365752.

The product of its digits is 12192768, while the sum is 58.

The spelling of 133877143894 in words is "one hundred thirty-three billion, eight hundred seventy-seven million, one hundred forty-three thousand, eight hundred ninety-four".