9014138381 has 2 divisors, whose sum is σ = 9014138382. Its totient is φ = 9014138380.

The previous prime is 9014138369. The next prime is 9014138417. The reversal of 9014138381 is 1838314109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6876555625 + 2137582756 = 82925^2 + 46234^2 .

It is a cyclic number.

It is not a de Polignac number, because 9014138381 - 2¹⁸ = 9013876237 is a prime.

It is a super-2 number, since 2×9014138381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9014131381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4507069190 + 4507069191.

It is an arithmetic number, because the mean of its divisors is an integer number (4507069191).

Almost surely, 2^9014138381 is an apocalyptic number.

It is an amenable number.

9014138381 is a deficient number, since it is larger than the sum of its proper divisors (1).

9014138381 is an equidigital number, since it uses as much as digits as its factorization.

9014138381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 9014138381 is about 94942.8163738574. The cubic root of 9014138381 is about 2081.1724760586.

The spelling of 9014138381 in words is "nine billion, fourteen million, one hundred thirty-eight thousand, three hundred eighty-one".