196540429 has 4 divisors (see below), whose sum is σ = 201334140. Its totient is φ = 191746720.

The previous prime is 196540363. The next prime is 196540441. The reversal of 196540429 is 924045691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39664804 + 156875625 = 6298^2 + 12525^2 .

It is a cyclic number.

It is not a de Polignac number, because 196540429 - 2²⁵ = 162985997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196540391 and 196540400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196540469) 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, 2396794 + ... + 2396875.

It is an arithmetic number, because the mean of its divisors is an integer number (50333535).

Almost surely, 2^196540429 is an apocalyptic number.

It is an amenable number.

196540429 is a deficient number, since it is larger than the sum of its proper divisors (4793711).

196540429 is an equidigital number, since it uses as much as digits as its factorization.

196540429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793710.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 196540429 is about 14019.2877493830. The cubic root of 196540429 is about 581.4119671343.

The spelling of 196540429 in words is "one hundred ninety-six million, five hundred forty thousand, four hundred twenty-nine".