137268143 has 2 divisors, whose sum is σ = 137268144. Its totient is φ = 137268142.

The previous prime is 137268127. The next prime is 137268151. The reversal of 137268143 is 341862731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137268143 - 2⁴ = 137268127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137268343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68634071 + 68634072.

It is an arithmetic number, because the mean of its divisors is an integer number (68634072).

Almost surely, 2^137268143 is an apocalyptic number.

137268143 is a deficient number, since it is larger than the sum of its proper divisors (1).

137268143 is an equidigital number, since it uses as much as digits as its factorization.

137268143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 137268143 is about 11716.1488126432. The cubic root of 137268143 is about 515.8497837581.

The spelling of 137268143 in words is "one hundred thirty-seven million, two hundred sixty-eight thousand, one hundred forty-three".