137738143 has 2 divisors, whose sum is σ = 137738144. Its totient is φ = 137738142.

The previous prime is 137738113. The next prime is 137738213. The reversal of 137738143 is 341837731.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137738143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137738113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68869071 + 68869072.

It is an arithmetic number, because the mean of its divisors is an integer number (68869072).

Almost surely, 2^137738143 is an apocalyptic number.

137738143 is a deficient number, since it is larger than the sum of its proper divisors (1).

137738143 is an equidigital number, since it uses as much as digits as its factorization.

137738143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 137738143 is about 11736.1894582526. The cubic root of 137738143 is about 516.4378619683.

The spelling of 137738143 in words is "one hundred thirty-seven million, seven hundred thirty-eight thousand, one hundred forty-three".