196629137 has 4 divisors (see below), whose sum is σ = 201943476. Its totient is φ = 191314800.

The previous prime is 196629131. The next prime is 196629143. The reversal of 196629137 is 731926691.

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

It is an interprime number because it is at equal distance from previous prime (196629131) and next prime (196629143).

It can be written as a sum of positive squares in 2 ways, for example, as 185613376 + 11015761 = 13624^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 196629137 - 2⁸ = 196628881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196629131) 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 3 ways as a sum of consecutive naturals, for example, 2657114 + ... + 2657187.

It is an arithmetic number, because the mean of its divisors is an integer number (50485869).

Almost surely, 2^196629137 is an apocalyptic number.

It is an amenable number.

196629137 is a deficient number, since it is larger than the sum of its proper divisors (5314339).

196629137 is an equidigital number, since it uses as much as digits as its factorization.

196629137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314338.

The product of its digits is 122472, while the sum is 44.

The square root of 196629137 is about 14022.4511765953. The cubic root of 196629137 is about 581.4994268925.

The spelling of 196629137 in words is "one hundred ninety-six million, six hundred twenty-nine thousand, one hundred thirty-seven".