136363393 has 2 divisors, whose sum is σ = 136363394. Its totient is φ = 136363392.

The previous prime is 136363387. The next prime is 136363421. The reversal of 136363393 is 393363631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132066064 + 4297329 = 11492^2 + 2073^2 .

It is a cyclic number.

It is not a de Polignac number, because 136363393 - 2⁹ = 136362881 is a prime.

It is not a weakly prime, because it can be changed into another prime (136363303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68181696 + 68181697.

It is an arithmetic number, because the mean of its divisors is an integer number (68181697).

Almost surely, 2^136363393 is an apocalyptic number.

It is an amenable number.

136363393 is a deficient number, since it is larger than the sum of its proper divisors (1).

136363393 is an equidigital number, since it uses as much as digits as its factorization.

136363393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78732, while the sum is 37.

The square root of 136363393 is about 11677.4737422098. The cubic root of 136363393 is about 514.7139430021.

It can be divided in two parts, 1363633 and 93, that added together give a triangular number (1363726 = T₁₆₅₁).

The spelling of 136363393 in words is "one hundred thirty-six million, three hundred sixty-three thousand, three hundred ninety-three".