138034837 has 2 divisors, whose sum is σ = 138034838. Its totient is φ = 138034836.

The previous prime is 138034801. The next prime is 138034861. The reversal of 138034837 is 738430831.

138034837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69906321 + 68128516 = 8361^2 + 8254^2 .

It is a cyclic number.

It is not a de Polignac number, because 138034837 - 2⁷ = 138034709 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 138034796 and 138034805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138035837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69017418 + 69017419.

It is an arithmetic number, because the mean of its divisors is an integer number (69017419).

Almost surely, 2^138034837 is an apocalyptic number.

It is an amenable number.

138034837 is a deficient number, since it is larger than the sum of its proper divisors (1).

138034837 is an equidigital number, since it uses as much as digits as its factorization.

138034837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 138034837 is about 11748.8227920928. The cubic root of 138034837 is about 516.8084059732.

The spelling of 138034837 in words is "one hundred thirty-eight million, thirty-four thousand, eight hundred thirty-seven".