196181029 has 4 divisors (see below), whose sum is σ = 214015680. Its totient is φ = 178346380.

The previous prime is 196181021. The next prime is 196181039. The reversal of 196181029 is 920181691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196181029 - 2³ = 196181021 is a prime.

It is a super-2 number, since 2×196181029² = 76973992278997682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196181021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8917309 + ... + 8917330.

It is an arithmetic number, because the mean of its divisors is an integer number (53503920).

Almost surely, 2^196181029 is an apocalyptic number.

It is an amenable number.

196181029 is a deficient number, since it is larger than the sum of its proper divisors (17834651).

196181029 is a wasteful number, since it uses less digits than its factorization.

196181029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17834650.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 196181029 is about 14006.4638292468. The cubic root of 196181029 is about 581.0573548347.

The spelling of 196181029 in words is "one hundred ninety-six million, one hundred eighty-one thousand, twenty-nine".