136763293 has 2 divisors, whose sum is σ = 136763294. Its totient is φ = 136763292.

The previous prime is 136763261. The next prime is 136763303. The reversal of 136763293 is 392367631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132089049 + 4674244 = 11493^2 + 2162^2 .

It is an emirp because it is prime and its reverse (392367631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136763293 - 2⁵ = 136763261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136763203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68381646 + 68381647.

It is an arithmetic number, because the mean of its divisors is an integer number (68381647).

Almost surely, 2^136763293 is an apocalyptic number.

It is an amenable number.

136763293 is a deficient number, since it is larger than the sum of its proper divisors (1).

136763293 is an equidigital number, since it uses as much as digits as its factorization.

136763293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 40.

The square root of 136763293 is about 11694.5839173525. The cubic root of 136763293 is about 515.2166028886.

The spelling of 136763293 in words is "one hundred thirty-six million, seven hundred sixty-three thousand, two hundred ninety-three".