137169673 has 2 divisors, whose sum is σ = 137169674. Its totient is φ = 137169672.

The previous prime is 137169667. The next prime is 137169689. The reversal of 137169673 is 376961731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132641289 + 4528384 = 11517^2 + 2128^2 .

It is an emirp because it is prime and its reverse (376961731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137169673 - 2⁹ = 137169161 is a prime.

It is not a weakly prime, because it can be changed into another prime (137164673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68584836 + 68584837.

It is an arithmetic number, because the mean of its divisors is an integer number (68584837).

Almost surely, 2^137169673 is an apocalyptic number.

It is an amenable number.

137169673 is a deficient number, since it is larger than the sum of its proper divisors (1).

137169673 is an equidigital number, since it uses as much as digits as its factorization.

137169673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 43.

The square root of 137169673 is about 11711.9457392869. The cubic root of 137169673 is about 515.7264050966.

The spelling of 137169673 in words is "one hundred thirty-seven million, one hundred sixty-nine thousand, six hundred seventy-three".