133120019 has 2 divisors, whose sum is σ = 133120020. Its totient is φ = 133120018.

The previous prime is 133119997. The next prime is 133120037. The reversal of 133120019 is 910021331.

It is a strong prime.

It is an emirp because it is prime and its reverse (910021331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133120019 - 2¹⁶ = 133054483 is a prime.

It is a super-2 number, since 2×133120019² = 35441878917120722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133120049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66560009 + 66560010.

It is an arithmetic number, because the mean of its divisors is an integer number (66560010).

Almost surely, 2^133120019 is an apocalyptic number.

133120019 is a deficient number, since it is larger than the sum of its proper divisors (1).

133120019 is an equidigital number, since it uses as much as digits as its factorization.

133120019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 133120019 is about 11537.7649048678. The cubic root of 133120019 is about 510.6003682012.

The spelling of 133120019 in words is "one hundred thirty-three million, one hundred twenty thousand, nineteen".