137316947 has 2 divisors, whose sum is σ = 137316948. Its totient is φ = 137316946.

The previous prime is 137316941. The next prime is 137316979. The reversal of 137316947 is 749613731.

It is a weak prime.

It is an emirp because it is prime and its reverse (749613731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137316947 - 2¹⁰ = 137315923 is a prime.

It is not a weakly prime, because it can be changed into another prime (137316941) 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, 68658473 + 68658474.

It is an arithmetic number, because the mean of its divisors is an integer number (68658474).

Almost surely, 2^137316947 is an apocalyptic number.

137316947 is a deficient number, since it is larger than the sum of its proper divisors (1).

137316947 is an equidigital number, since it uses as much as digits as its factorization.

137316947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 137316947 is about 11718.2313938580. The cubic root of 137316947 is about 515.9109111964.

The spelling of 137316947 in words is "one hundred thirty-seven million, three hundred sixteen thousand, nine hundred forty-seven".