136583947 has 2 divisors, whose sum is σ = 136583948. Its totient is φ = 136583946.

The previous prime is 136583929. The next prime is 136584043. The reversal of 136583947 is 749385631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136583947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136583897 and 136583906.

It is not a weakly prime, because it can be changed into another prime (136583917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68291973 + 68291974.

It is an arithmetic number, because the mean of its divisors is an integer number (68291974).

Almost surely, 2^136583947 is an apocalyptic number.

136583947 is a deficient number, since it is larger than the sum of its proper divisors (1).

136583947 is an equidigital number, since it uses as much as digits as its factorization.

136583947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The square root of 136583947 is about 11686.9134933052. The cubic root of 136583947 is about 514.9912927802.

The spelling of 136583947 in words is "one hundred thirty-six million, five hundred eighty-three thousand, nine hundred forty-seven".