133681575358 has 4 divisors (see below), whose sum is σ = 200522363040. Its totient is φ = 66840787678.

The previous prime is 133681575347. The next prime is 133681575359. The reversal of 133681575358 is 853575186331.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 133681575299 and 133681575308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133681575359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33420393838 + ... + 33420393841.

It is an arithmetic number, because the mean of its divisors is an integer number (50130590760).

Almost surely, 2^133681575358 is an apocalyptic number.

133681575358 is a deficient number, since it is larger than the sum of its proper divisors (66840787682).

133681575358 is an equidigital number, since it uses as much as digits as its factorization.

133681575358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66840787681.

The product of its digits is 9072000, while the sum is 55.

The spelling of 133681575358 in words is "one hundred thirty-three billion, six hundred eighty-one million, five hundred seventy-five thousand, three hundred fifty-eight".