133398368938 has 8 divisors (see below), whose sum is σ = 201045883680. Its totient is φ = 66383074380.

The previous prime is 133398368933. The next prime is 133398368981. The reversal of 133398368938 is 839863893331.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133398368938.

It is not an unprimeable number, because it can be changed into a prime (133398368933) 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 3 ways as a sum of consecutive naturals, for example, 158054518 + ... + 158055361.

It is an arithmetic number, because the mean of its divisors is an integer number (25130735460).

Almost surely, 2^133398368938 is an apocalyptic number.

133398368938 is a deficient number, since it is larger than the sum of its proper divisors (67647514742).

133398368938 is a wasteful number, since it uses less digits than its factorization.

133398368938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316110092.

The product of its digits is 60466176, while the sum is 64.

The spelling of 133398368938 in words is "one hundred thirty-three billion, three hundred ninety-eight million, three hundred sixty-eight thousand, nine hundred thirty-eight".