7138704029 has 2 divisors, whose sum is σ = 7138704030. Its totient is φ = 7138704028.

The previous prime is 7138703983. The next prime is 7138704031. The reversal of 7138704029 is 9204078317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7135180900 + 3523129 = 84470^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 7138704029 - 2⁸ = 7138703773 is a prime.

It is a super-2 number, since 2×7138704029² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 7138704031, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7138704049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569352014 + 3569352015.

It is an arithmetic number, because the mean of its divisors is an integer number (3569352015).

Almost surely, 2^7138704029 is an apocalyptic number.

It is an amenable number.

7138704029 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138704029 is an equidigital number, since it uses as much as digits as its factorization.

7138704029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 7138704029 is about 84490.8517473933. The cubic root of 7138704029 is about 1925.4834590729.

The spelling of 7138704029 in words is "seven billion, one hundred thirty-eight million, seven hundred four thousand, twenty-nine".