2138029 has 2 divisors, whose sum is σ = 2138030. Its totient is φ = 2138028.

The previous prime is 2137999. The next prime is 2138033. The reversal of 2138029 is 9208312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 769129 = 1170^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 2138029 - 2⁹ = 2137517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2137994 and 2138012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2138429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069014 + 1069015.

It is an arithmetic number, because the mean of its divisors is an integer number (1069015).

2^2138029 is an apocalyptic number.

It is an amenable number.

2138029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2138029 is an equidigital number, since it uses as much as digits as its factorization.

2138029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2138029 is about 1462.2000547121. The cubic root of 2138029 is about 128.8262990740.

The spelling of 2138029 in words is "two million, one hundred thirty-eight thousand, twenty-nine".