196055149 has 2 divisors, whose sum is σ = 196055150. Its totient is φ = 196055148.

The previous prime is 196055147. The next prime is 196055173. The reversal of 196055149 is 941550691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182439049 + 13616100 = 13507^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 196055149 - 2¹ = 196055147 is a prime.

Together with 196055147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196055147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98027574 + 98027575.

It is an arithmetic number, because the mean of its divisors is an integer number (98027575).

Almost surely, 2^196055149 is an apocalyptic number.

It is an amenable number.

196055149 is a deficient number, since it is larger than the sum of its proper divisors (1).

196055149 is an equidigital number, since it uses as much as digits as its factorization.

196055149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 196055149 is about 14001.9694686140. The cubic root of 196055149 is about 580.9330493229.

The spelling of 196055149 in words is "one hundred ninety-six million, fifty-five thousand, one hundred forty-nine".