138377359 has 2 divisors, whose sum is σ = 138377360. Its totient is φ = 138377358.

The previous prime is 138377347. The next prime is 138377377. The reversal of 138377359 is 953773831.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138377359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138377159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69188679 + 69188680.

It is an arithmetic number, because the mean of its divisors is an integer number (69188680).

Almost surely, 2^138377359 is an apocalyptic number.

138377359 is a deficient number, since it is larger than the sum of its proper divisors (1).

138377359 is an equidigital number, since it uses as much as digits as its factorization.

138377359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 46.

The square root of 138377359 is about 11763.3906251557. The cubic root of 138377359 is about 517.2355252799.

The spelling of 138377359 in words is "one hundred thirty-eight million, three hundred seventy-seven thousand, three hundred fifty-nine".