195471137 has 2 divisors, whose sum is σ = 195471138. Its totient is φ = 195471136.

The previous prime is 195471127. The next prime is 195471179. The reversal of 195471137 is 731174591.

195471137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159997201 + 35473936 = 12649^2 + 5956^2 .

It is a cyclic number.

It is not a de Polignac number, because 195471137 - 2¹⁶ = 195405601 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195471137.

It is not a weakly prime, because it can be changed into another prime (195471127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97735568 + 97735569.

It is an arithmetic number, because the mean of its divisors is an integer number (97735569).

Almost surely, 2^195471137 is an apocalyptic number.

It is an amenable number.

195471137 is a deficient number, since it is larger than the sum of its proper divisors (1).

195471137 is an equidigital number, since it uses as much as digits as its factorization.

195471137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 38.

The square root of 195471137 is about 13981.0992772385. The cubic root of 195471137 is about 580.3556449406.

The spelling of 195471137 in words is "one hundred ninety-five million, four hundred seventy-one thousand, one hundred thirty-seven".