133868686747 has 2 divisors, whose sum is σ = 133868686748. Its totient is φ = 133868686746.

The previous prime is 133868686741. The next prime is 133868686753. The reversal of 133868686747 is 747686868331.

It is a balanced prime because it is at equal distance from previous prime (133868686741) and next prime (133868686753).

It is a cyclic number.

It is not a de Polignac number, because 133868686747 - 2²³ = 133860298139 is a prime.

It is not a weakly prime, because it can be changed into another prime (133868686741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66934343373 + 66934343374.

It is an arithmetic number, because the mean of its divisors is an integer number (66934343374).

Almost surely, 2^133868686747 is an apocalyptic number.

133868686747 is a deficient number, since it is larger than the sum of its proper divisors (1).

133868686747 is an equidigital number, since it uses as much as digits as its factorization.

133868686747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 195084288, while the sum is 67.

The spelling of 133868686747 in words is "one hundred thirty-three billion, eight hundred sixty-eight million, six hundred eighty-six thousand, seven hundred forty-seven".