133931416193 has 2 divisors, whose sum is σ = 133931416194. Its totient is φ = 133931416192.

The previous prime is 133931416189. The next prime is 133931416249. The reversal of 133931416193 is 391614139331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108351572224 + 25579843969 = 329168^2 + 159937^2 .

It is a cyclic number.

It is not a de Polignac number, because 133931416193 - 2² = 133931416189 is a prime.

It is a super-2 number, since 2×133931416193² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (133931416163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66965708096 + 66965708097.

It is an arithmetic number, because the mean of its divisors is an integer number (66965708097).

Almost surely, 2^133931416193 is an apocalyptic number.

It is an amenable number.

133931416193 is a deficient number, since it is larger than the sum of its proper divisors (1).

133931416193 is an equidigital number, since it uses as much as digits as its factorization.

133931416193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 44.

The spelling of 133931416193 in words is "one hundred thirty-three billion, nine hundred thirty-one million, four hundred sixteen thousand, one hundred ninety-three".