195104137 has 2 divisors, whose sum is σ = 195104138. Its totient is φ = 195104136.

The previous prime is 195104113. The next prime is 195104197. The reversal of 195104137 is 731401591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137100681 + 58003456 = 11709^2 + 7616^2 .

It is a cyclic number.

It is not a de Polignac number, because 195104137 - 2¹⁵ = 195071369 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 195104099 and 195104108.

It is not a weakly prime, because it can be changed into another prime (195104197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97552068 + 97552069.

It is an arithmetic number, because the mean of its divisors is an integer number (97552069).

Almost surely, 2^195104137 is an apocalyptic number.

It is an amenable number.

195104137 is a deficient number, since it is larger than the sum of its proper divisors (1).

195104137 is an equidigital number, since it uses as much as digits as its factorization.

195104137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 195104137 is about 13967.9682488184. The cubic root of 195104137 is about 579.9922085755.

The spelling of 195104137 in words is "one hundred ninety-five million, one hundred four thousand, one hundred thirty-seven".