137967343 has 2 divisors, whose sum is σ = 137967344. Its totient is φ = 137967342.

The previous prime is 137967307. The next prime is 137967371. The reversal of 137967343 is 343769731.

It is a strong prime.

It is an emirp because it is prime and its reverse (343769731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137967343 - 2²⁵ = 104412911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137967343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137967383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68983671 + 68983672.

It is an arithmetic number, because the mean of its divisors is an integer number (68983672).

Almost surely, 2^137967343 is an apocalyptic number.

137967343 is a deficient number, since it is larger than the sum of its proper divisors (1).

137967343 is an equidigital number, since it uses as much as digits as its factorization.

137967343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 43.

The square root of 137967343 is about 11745.9500680022. The cubic root of 137967343 is about 516.7241587544.

The spelling of 137967343 in words is "one hundred thirty-seven million, nine hundred sixty-seven thousand, three hundred forty-three".