133856201620313 has 8 divisors (see below), whose sum is σ = 134671836176640. Its totient is φ = 133040734926400.

The previous prime is 133856201620307. The next prime is 133856201620331. The reversal of 133856201620313 is 313026102658331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133856201620313 - 2¹⁸ = 133856201358169 is a prime.

It is a super-2 number, since 2×133856201620313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133856201620013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40365728 + ... + 43555761.

It is an arithmetic number, because the mean of its divisors is an integer number (16833979522080).

Almost surely, 2^{133856201620313} is an apocalyptic number.

It is an amenable number.

133856201620313 is a deficient number, since it is larger than the sum of its proper divisors (815634556327).

133856201620313 is an equidigital number, since it uses as much as digits as its factorization.

133856201620313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83931207.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 133856201620313 in words is "one hundred thirty-three trillion, eight hundred fifty-six billion, two hundred one million, six hundred twenty thousand, three hundred thirteen".