138716353 has 2 divisors, whose sum is σ = 138716354. Its totient is φ = 138716352.

The previous prime is 138716341. The next prime is 138716371. The reversal of 138716353 is 353617831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71098624 + 67617729 = 8432^2 + 8223^2 .

It is a cyclic number.

It is not a de Polignac number, because 138716353 - 2²⁵ = 105161921 is a prime.

It is not a weakly prime, because it can be changed into another prime (138716453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69358176 + 69358177.

It is an arithmetic number, because the mean of its divisors is an integer number (69358177).

Almost surely, 2^138716353 is an apocalyptic number.

It is an amenable number.

138716353 is a deficient number, since it is larger than the sum of its proper divisors (1).

138716353 is an equidigital number, since it uses as much as digits as its factorization.

138716353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 138716353 is about 11777.7906671837. The cubic root of 138716353 is about 517.6575518172.

The spelling of 138716353 in words is "one hundred thirty-eight million, seven hundred sixteen thousand, three hundred fifty-three".