136983757 has 2 divisors, whose sum is σ = 136983758. Its totient is φ = 136983756.

The previous prime is 136983751. The next prime is 136983793. The reversal of 136983757 is 757389631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118069956 + 18913801 = 10866^2 + 4349^2 .

It is a cyclic number.

It is not a de Polignac number, because 136983757 - 2¹⁹ = 136459469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136983757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136983751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68491878 + 68491879.

It is an arithmetic number, because the mean of its divisors is an integer number (68491879).

Almost surely, 2^136983757 is an apocalyptic number.

It is an amenable number.

136983757 is a deficient number, since it is larger than the sum of its proper divisors (1).

136983757 is an equidigital number, since it uses as much as digits as its factorization.

136983757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 136983757 is about 11704.0060235801. The cubic root of 136983757 is about 515.4932992908.

The spelling of 136983757 in words is "one hundred thirty-six million, nine hundred eighty-three thousand, seven hundred fifty-seven".