202134073 has 2 divisors, whose sum is σ = 202134074. Its totient is φ = 202134072.

The previous prime is 202134067. The next prime is 202134077. The reversal of 202134073 is 370431202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103469584 + 98664489 = 10172^2 + 9933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202134073 is a prime.

It is not a weakly prime, because it can be changed into another prime (202134077) 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 as a sum of consecutive naturals, namely, 101067036 + 101067037.

It is an arithmetic number, because the mean of its divisors is an integer number (101067037).

Almost surely, 2^202134073 is an apocalyptic number.

It is an amenable number.

202134073 is a deficient number, since it is larger than the sum of its proper divisors (1).

202134073 is an equidigital number, since it uses as much as digits as its factorization.

202134073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 202134073 is about 14217.3862928458. The cubic root of 202134073 is about 586.8762154254.

Adding to 202134073 its reverse (370431202), we get a palindrome (572565275).

The spelling of 202134073 in words is "two hundred two million, one hundred thirty-four thousand, seventy-three".