199136057 has 8 divisors (see below), whose sum is σ = 204198792. Its totient is φ = 194083200.

The previous prime is 199136051. The next prime is 199136059. The reversal of 199136057 is 750631991.

It can be written as a sum of positive squares in 4 ways, for example, as 27290176 + 171845881 = 5224^2 + 13109^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 199136057 - 2¹⁰ = 199135033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199136051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54863 + ... + 58379.

It is an arithmetic number, because the mean of its divisors is an integer number (25524849).

Almost surely, 2^199136057 is an apocalyptic number.

It is an amenable number.

199136057 is a deficient number, since it is larger than the sum of its proper divisors (5062735).

199136057 is a wasteful number, since it uses less digits than its factorization.

199136057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 199136057 is about 14111.5575681779. The cubic root of 199136057 is about 583.9602706835.

The spelling of 199136057 in words is "one hundred ninety-nine million, one hundred thirty-six thousand, fifty-seven".