202134077 has 2 divisors, whose sum is σ = 202134078. Its totient is φ = 202134076.

The previous prime is 202134073. The next prime is 202134091. The reversal of 202134077 is 770431202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161442436 + 40691641 = 12706^2 + 6379^2 .

It is a cyclic number.

It is not a de Polignac number, because 202134077 - 2² = 202134073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202134073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101067038 + 101067039.

It is an arithmetic number, because the mean of its divisors is an integer number (101067039).

Almost surely, 2^202134077 is an apocalyptic number.

It is an amenable number.

202134077 is a deficient number, since it is larger than the sum of its proper divisors (1).

202134077 is an equidigital number, since it uses as much as digits as its factorization.

202134077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 202134077 is about 14217.3864335186. The cubic root of 202134077 is about 586.8762192966.

Adding to 202134077 its reverse (770431202), we get a palindrome (972565279).

The spelling of 202134077 in words is "two hundred two million, one hundred thirty-four thousand, seventy-seven".