136898747 has 2 divisors, whose sum is σ = 136898748. Its totient is φ = 136898746.

The previous prime is 136898711. The next prime is 136898767. The reversal of 136898747 is 747898631.

It is a strong prime.

It is an emirp because it is prime and its reverse (747898631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136898747 - 2¹⁴ = 136882363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136898767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68449373 + 68449374.

It is an arithmetic number, because the mean of its divisors is an integer number (68449374).

Almost surely, 2^136898747 is an apocalyptic number.

136898747 is a deficient number, since it is larger than the sum of its proper divisors (1).

136898747 is an equidigital number, since it uses as much as digits as its factorization.

136898747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 53.

The square root of 136898747 is about 11700.3737974477. The cubic root of 136898747 is about 515.3866415026.

The spelling of 136898747 in words is "one hundred thirty-six million, eight hundred ninety-eight thousand, seven hundred forty-seven".