133321099958 has 4 divisors (see below), whose sum is σ = 199981649940. Its totient is φ = 66660549978.

The previous prime is 133321099957. The next prime is 133321100039. The reversal of 133321099958 is 859990123331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 859990123331 = 29 ⋅29654831839.

It is a super-2 number, since 2×133321099958² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133321099957) 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 as a sum of consecutive naturals, namely, 33330274988 + ... + 33330274991.

It is an arithmetic number, because the mean of its divisors is an integer number (49995412485).

Almost surely, 2^133321099958 is an apocalyptic number.

133321099958 is a deficient number, since it is larger than the sum of its proper divisors (66660549982).

133321099958 is an equidigital number, since it uses as much as digits as its factorization.

133321099958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66660549981.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 133321099958 in words is "one hundred thirty-three billion, three hundred twenty-one million, ninety-nine thousand, nine hundred fifty-eight".