133420836819 has 8 divisors (see below), whose sum is σ = 184028740560. Its totient is φ = 85880078816.

The previous prime is 133420836817. The next prime is 133420836839. The reversal of 133420836819 is 918638024331.

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 133420836819 - 2¹ = 133420836817 is a prime.

It is a super-2 number, since 2×133420836819² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133420836817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766786332 + ... + 766786505.

It is an arithmetic number, because the mean of its divisors is an integer number (23003592570).

Almost surely, 2^133420836819 is an apocalyptic number.

133420836819 is a deficient number, since it is larger than the sum of its proper divisors (50607903741).

133420836819 is a wasteful number, since it uses less digits than its factorization.

133420836819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533572869.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 133420836819 in words is "one hundred thirty-three billion, four hundred twenty million, eight hundred thirty-six thousand, eight hundred nineteen".