39370157 has 2 divisors, whose sum is σ = 39370158. Its totient is φ = 39370156.

The previous prime is 39370151. The next prime is 39370159. The reversal of 39370157 is 75107393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26739241 + 12630916 = 5171^2 + 3554^2 .

It is an emirp because it is prime and its reverse (75107393) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39370157 is a prime.

Together with 39370159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39370151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19685078 + 19685079.

It is an arithmetic number, because the mean of its divisors is an integer number (19685079).

Almost surely, 2^39370157 is an apocalyptic number.

It is an amenable number.

39370157 is a deficient number, since it is larger than the sum of its proper divisors (1).

39370157 is an equidigital number, since it uses as much as digits as its factorization.

39370157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 39370157 is about 6274.5642876617. The cubic root of 39370157 is about 340.1906571969.

The spelling of 39370157 in words is "thirty-nine million, three hundred seventy thousand, one hundred fifty-seven".