133868245379 has 18 divisors (see below), whose sum is σ = 147558805212. Its totient is φ = 120444100600.

The previous prime is 133868245363. The next prime is 133868245417. The reversal of 133868245379 is 973542868331.

It is a happy number.

It is not a de Polignac number, because 133868245379 - 2⁴ = 133868245363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133868245309) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 129842594 + ... + 129843624.

Almost surely, 2^133868245379 is an apocalyptic number.

133868245379 is a deficient number, since it is larger than the sum of its proper divisors (13690559833).

133868245379 is an frugal number, since it uses more digits than its factorization.

133868245379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287 (or 1149 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 59.

The spelling of 133868245379 in words is "one hundred thirty-three billion, eight hundred sixty-eight million, two hundred forty-five thousand, three hundred seventy-nine".