137438143 has 2 divisors, whose sum is σ = 137438144. Its totient is φ = 137438142.

The previous prime is 137438141. The next prime is 137438167. The reversal of 137438143 is 341834731.

137438143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137438143 - 2¹ = 137438141 is a prime.

Together with 137438141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 137438099 and 137438108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137438141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68719071 + 68719072.

It is an arithmetic number, because the mean of its divisors is an integer number (68719072).

Almost surely, 2^137438143 is an apocalyptic number.

137438143 is a deficient number, since it is larger than the sum of its proper divisors (1).

137438143 is an equidigital number, since it uses as much as digits as its factorization.

137438143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 137438143 is about 11723.4015115068. The cubic root of 137438143 is about 516.0626476327.

The spelling of 137438143 in words is "one hundred thirty-seven million, four hundred thirty-eight thousand, one hundred forty-three".