196137556 has 24 divisors (see below), whose sum is σ = 358613640. Its totient is φ = 93744000.

The previous prime is 196137503. The next prime is 196137559. The reversal of 196137556 is 655731691.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 141229456 + 54908100 = 11884^2 + 7410^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196137559) 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, 3346 + ... + 20086.

It is an arithmetic number, because the mean of its divisors is an integer number (14942235).

Almost surely, 2^196137556 is an apocalyptic number.

It is an amenable number.

196137556 is a deficient number, since it is larger than the sum of its proper divisors (162476084).

196137556 is a wasteful number, since it uses less digits than its factorization.

196137556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16875 (or 16873 counting only the distinct ones).

The product of its digits is 170100, while the sum is 43.

The square root of 196137556 is about 14004.9118526323. The cubic root of 196137556 is about 581.0144316010.

It can be divided in two parts, 1961 and 37556, that multiplied together give a triangular number (73647316 = T₁₂₁₃₆).

The spelling of 196137556 in words is "one hundred ninety-six million, one hundred thirty-seven thousand, five hundred fifty-six".