29138078113 has 2 divisors, whose sum is σ = 29138078114. Its totient is φ = 29138078112.

The previous prime is 29138078033. The next prime is 29138078131. The reversal of 29138078113 is 31187083192.

Together with next prime (29138078131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28761446464 + 376631649 = 169592^2 + 19407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29138078113 is a prime.

It is a super-2 number, since 2×29138078113² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29138078113.

It is not a weakly prime, because it can be changed into another prime (29138078143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14569039056 + 14569039057.

It is an arithmetic number, because the mean of its divisors is an integer number (14569039057).

Almost surely, 2^29138078113 is an apocalyptic number.

It is an amenable number.

29138078113 is a deficient number, since it is larger than the sum of its proper divisors (1).

29138078113 is an equidigital number, since it uses as much as digits as its factorization.

29138078113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 29138078113 in words is "twenty-nine billion, one hundred thirty-eight million, seventy-eight thousand, one hundred thirteen".