139170037 has 2 divisors, whose sum is σ = 139170038. Its totient is φ = 139170036.

The previous prime is 139170013. The next prime is 139170089. The reversal of 139170037 is 730071931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100120036 + 39050001 = 10006^2 + 6249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139170037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 139169990 and 139170008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139170137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69585018 + 69585019.

It is an arithmetic number, because the mean of its divisors is an integer number (69585019).

Almost surely, 2^139170037 is an apocalyptic number.

It is an amenable number.

139170037 is a deficient number, since it is larger than the sum of its proper divisors (1).

139170037 is an equidigital number, since it uses as much as digits as its factorization.

139170037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 139170037 is about 11797.0350936157. The cubic root of 139170037 is about 518.2212858258.

The spelling of 139170037 in words is "one hundred thirty-nine million, one hundred seventy thousand, thirty-seven".