193012133 has 4 divisors (see below), whose sum is σ = 197719788. Its totient is φ = 188304480.

The previous prime is 193012117. The next prime is 193012153. The reversal of 193012133 is 331210391.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55606849 + 137405284 = 7457^2 + 11722^2 .

It is a cyclic number.

It is not a de Polignac number, because 193012133 - 2⁴ = 193012117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193012099 and 193012108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2353766 + ... + 2353847.

It is an arithmetic number, because the mean of its divisors is an integer number (49429947).

Almost surely, 2^193012133 is an apocalyptic number.

It is an amenable number.

193012133 is a deficient number, since it is larger than the sum of its proper divisors (4707655).

193012133 is an equidigital number, since it uses as much as digits as its factorization.

193012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4707654.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 193012133 is about 13892.8806588123. The cubic root of 193012133 is about 577.9117662037.

The spelling of 193012133 in words is "one hundred ninety-three million, twelve thousand, one hundred thirty-three".