137671349 has 2 divisors, whose sum is σ = 137671350. Its totient is φ = 137671348.

The previous prime is 137671309. The next prime is 137671363. The reversal of 137671349 is 943176731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79530724 + 58140625 = 8918^2 + 7625^2 .

It is a cyclic number.

It is not a de Polignac number, because 137671349 - 2¹² = 137667253 is a prime.

It is a Chen prime.

It is equal to p_7788092 and since 137671349 and 7788092 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137671309) 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, 68835674 + 68835675.

It is an arithmetic number, because the mean of its divisors is an integer number (68835675).

Almost surely, 2^137671349 is an apocalyptic number.

It is an amenable number.

137671349 is a deficient number, since it is larger than the sum of its proper divisors (1).

137671349 is an equidigital number, since it uses as much as digits as its factorization.

137671349 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 137671349 is about 11733.3434706396. The cubic root of 137671349 is about 516.3543689304.

The spelling of 137671349 in words is "one hundred thirty-seven million, six hundred seventy-one thousand, three hundred forty-nine".