137976343 has 2 divisors, whose sum is σ = 137976344. Its totient is φ = 137976342.

The previous prime is 137976341. The next prime is 137976409. The reversal of 137976343 is 343679731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137976343 - 2¹ = 137976341 is a prime.

Together with 137976341, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 137976343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137976341) 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, 68988171 + 68988172.

It is an arithmetic number, because the mean of its divisors is an integer number (68988172).

Almost surely, 2^137976343 is an apocalyptic number.

137976343 is a deficient number, since it is larger than the sum of its proper divisors (1).

137976343 is an equidigital number, since it uses as much as digits as its factorization.

137976343 is an odious number, because the sum of its binary digits is odd.

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

The square root of 137976343 is about 11746.3331725267. Note that the first 3 decimals coincide. The cubic root of 137976343 is about 516.7353943028.

The spelling of 137976343 in words is "one hundred thirty-seven million, nine hundred seventy-six thousand, three hundred forty-three".