196741509 has 8 divisors (see below), whose sum is σ = 262469280. Its totient is φ = 131087376.

The previous prime is 196741507. The next prime is 196741513. The reversal of 196741509 is 905147691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196741509 - 2¹ = 196741507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196741507) 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 in 7 ways as a sum of consecutive naturals, for example, 11839 + ... + 23100.

It is an arithmetic number, because the mean of its divisors is an integer number (32808660).

Almost surely, 2^196741509 is an apocalyptic number.

It is an amenable number.

196741509 is a deficient number, since it is larger than the sum of its proper divisors (65727771).

196741509 is a wasteful number, since it uses less digits than its factorization.

196741509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36819.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 196741509 is about 14026.4574643778. The cubic root of 196741509 is about 581.6101799081.

The spelling of 196741509 in words is "one hundred ninety-six million, seven hundred forty-one thousand, five hundred nine".