136036400435623 has 2 divisors, whose sum is σ = 136036400435624. Its totient is φ = 136036400435622.

The previous prime is 136036400435603. The next prime is 136036400435687. The reversal of 136036400435623 is 326534004630631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136036400435623 - 2¹⁷ = 136036400304551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136036400435603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68018200217811 + 68018200217812.

It is an arithmetic number, because the mean of its divisors is an integer number (68018200217812).

Almost surely, 2^{136036400435623} is an apocalyptic number.

136036400435623 is a deficient number, since it is larger than the sum of its proper divisors (1).

136036400435623 is an equidigital number, since it uses as much as digits as its factorization.

136036400435623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 46.

The spelling of 136036400435623 in words is "one hundred thirty-six trillion, thirty-six billion, four hundred million, four hundred thirty-five thousand, six hundred twenty-three".