136769547049 has 2 divisors, whose sum is σ = 136769547050. Its totient is φ = 136769547048.

The previous prime is 136769547037. The next prime is 136769547071. The reversal of 136769547049 is 940745967631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132929514025 + 3840033024 = 364595^2 + 61968^2 .

It is a cyclic number.

It is not a de Polignac number, because 136769547049 - 2¹⁵ = 136769514281 is a prime.

It is not a weakly prime, because it can be changed into another prime (136769547029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68384773524 + 68384773525.

It is an arithmetic number, because the mean of its divisors is an integer number (68384773525).

Almost surely, 2^136769547049 is an apocalyptic number.

It is an amenable number.

136769547049 is a deficient number, since it is larger than the sum of its proper divisors (1).

136769547049 is an equidigital number, since it uses as much as digits as its factorization.

136769547049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 136769547049 in words is "one hundred thirty-six billion, seven hundred sixty-nine million, five hundred forty-seven thousand, forty-nine".