133103019 has 8 divisors (see below), whose sum is σ = 202823680. Its totient is φ = 76058856.

The previous prime is 133102993. The next prime is 133103021. The reversal of 133103019 is 910301331.

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

It is not a de Polignac number, because 133103019 - 2⁷ = 133102891 is a prime.

It is a super-2 number, since 2×133103019² = 35432827333828722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6338239 = 133103019 / (1 + 3 + 3 + 1 + 0 + 3 + 0 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133102986 and 133103004.

It is not an unprimeable number, because it can be changed into a prime (133103059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3169099 + ... + 3169140.

It is an arithmetic number, because the mean of its divisors is an integer number (25352960).

Almost surely, 2^133103019 is an apocalyptic number.

133103019 is a deficient number, since it is larger than the sum of its proper divisors (69720661).

133103019 is an equidigital number, since it uses as much as digits as its factorization.

133103019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338249.

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 133103019 is about 11537.0281702005. The cubic root of 133103019 is about 510.5786319869.

The spelling of 133103019 in words is "one hundred thirty-three million, one hundred three thousand, nineteen".