138374683 has 2 divisors, whose sum is σ = 138374684. Its totient is φ = 138374682.

The previous prime is 138374653. The next prime is 138374707. The reversal of 138374683 is 386473831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138374683 - 2⁵ = 138374651 is a prime.

It is not a weakly prime, because it can be changed into another prime (138374603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69187341 + 69187342.

It is an arithmetic number, because the mean of its divisors is an integer number (69187342).

Almost surely, 2^138374683 is an apocalyptic number.

138374683 is a deficient number, since it is larger than the sum of its proper divisors (1).

138374683 is an equidigital number, since it uses as much as digits as its factorization.

138374683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 138374683 is about 11763.2768818897. The cubic root of 138374683 is about 517.2321910852.

The spelling of 138374683 in words is "one hundred thirty-eight million, three hundred seventy-four thousand, six hundred eighty-three".