202140193 has 2 divisors, whose sum is σ = 202140194. Its totient is φ = 202140192.

The previous prime is 202140187. The next prime is 202140199. The reversal of 202140193 is 391041202.

It is a balanced prime because it is at equal distance from previous prime (202140187) and next prime (202140199).

It can be written as a sum of positive squares in only one way, i.e., 123498769 + 78641424 = 11113^2 + 8868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202140193 is a prime.

It is not a weakly prime, because it can be changed into another prime (202140199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101070096 + 101070097.

It is an arithmetic number, because the mean of its divisors is an integer number (101070097).

Almost surely, 2^202140193 is an apocalyptic number.

It is an amenable number.

202140193 is a deficient number, since it is larger than the sum of its proper divisors (1).

202140193 is an equidigital number, since it uses as much as digits as its factorization.

202140193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 202140193 is about 14217.6015206504. The cubic root of 202140193 is about 586.8821383031.

Adding to 202140193 its reverse (391041202), we get a palindrome (593181395).

The spelling of 202140193 in words is "two hundred two million, one hundred forty thousand, one hundred ninety-three".