136710061 has 2 divisors, whose sum is σ = 136710062. Its totient is φ = 136710060.

The previous prime is 136710037. The next prime is 136710097. The reversal of 136710061 is 160017631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97397161 + 39312900 = 9869^2 + 6270^2 .

It is a cyclic number.

It is not a de Polignac number, because 136710061 - 2⁷ = 136709933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136710001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68355030 + 68355031.

It is an arithmetic number, because the mean of its divisors is an integer number (68355031).

Almost surely, 2^136710061 is an apocalyptic number.

It is an amenable number.

136710061 is a deficient number, since it is larger than the sum of its proper divisors (1).

136710061 is an equidigital number, since it uses as much as digits as its factorization.

136710061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 136710061 is about 11692.3077704960. The cubic root of 136710061 is about 515.1497487674.

Adding to 136710061 its reverse (160017631), we get a palindrome (296727692).

The spelling of 136710061 in words is "one hundred thirty-six million, seven hundred ten thousand, sixty-one".