136030057 has 2 divisors, whose sum is σ = 136030058. Its totient is φ = 136030056.

The previous prime is 136030051. The next prime is 136030099. The reversal of 136030057 is 750030631.

It is a happy number.

136030057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127712601 + 8317456 = 11301^2 + 2884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136030057 is a prime.

It is not a weakly prime, because it can be changed into another prime (136030051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68015028 + 68015029.

It is an arithmetic number, because the mean of its divisors is an integer number (68015029).

Almost surely, 2^136030057 is an apocalyptic number.

It is an amenable number.

136030057 is a deficient number, since it is larger than the sum of its proper divisors (1).

136030057 is an equidigital number, since it uses as much as digits as its factorization.

136030057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 136030057 is about 11663.1924017398. The cubic root of 136030057 is about 514.2942001503.

Adding to 136030057 its reverse (750030631), we get a palindrome (886060688).

The spelling of 136030057 in words is "one hundred thirty-six million, thirty thousand, fifty-seven".