136538076407 has 2 divisors, whose sum is σ = 136538076408. Its totient is φ = 136538076406.

The previous prime is 136538076377. The next prime is 136538076419. The reversal of 136538076407 is 704670835631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136538076407 - 2⁸ = 136538076151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136538076607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68269038203 + 68269038204.

It is an arithmetic number, because the mean of its divisors is an integer number (68269038204).

Almost surely, 2^136538076407 is an apocalyptic number.

136538076407 is a deficient number, since it is larger than the sum of its proper divisors (1).

136538076407 is an equidigital number, since it uses as much as digits as its factorization.

136538076407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 136538076407 in words is "one hundred thirty-six billion, five hundred thirty-eight million, seventy-six thousand, four hundred seven".