133170821419 has 16 divisors (see below), whose sum is σ = 144724608000. Its totient is φ = 122072801760.

The previous prime is 133170821417. The next prime is 133170821447. The reversal of 133170821419 is 914128071331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133170821419 - 2¹ = 133170821417 is a prime.

It is a super-2 number, since 2×133170821419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133170821417) 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 15 ways as a sum of consecutive naturals, for example, 4827237 + ... + 4854745.

It is an arithmetic number, because the mean of its divisors is an integer number (9045288000).

Almost surely, 2^133170821419 is an apocalyptic number.

133170821419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

133170821419 is a deficient number, since it is larger than the sum of its proper divisors (11553786581).

133170821419 is a wasteful number, since it uses less digits than its factorization.

133170821419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35778.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 133170821419 in words is "one hundred thirty-three billion, one hundred seventy million, eight hundred twenty-one thousand, four hundred nineteen".