136947827 has 2 divisors, whose sum is σ = 136947828. Its totient is φ = 136947826.

The previous prime is 136947821. The next prime is 136947851. The reversal of 136947827 is 728749631.

It is a weak prime.

It is an emirp because it is prime and its reverse (728749631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136947827 - 2⁸ = 136947571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136947821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68473913 + 68473914.

It is an arithmetic number, because the mean of its divisors is an integer number (68473914).

Almost surely, 2^136947827 is an apocalyptic number.

136947827 is a deficient number, since it is larger than the sum of its proper divisors (1).

136947827 is an equidigital number, since it uses as much as digits as its factorization.

136947827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 47.

The square root of 136947827 is about 11702.4709783874. The cubic root of 136947827 is about 515.4482251052.

The spelling of 136947827 in words is "one hundred thirty-six million, nine hundred forty-seven thousand, eight hundred twenty-seven".