199132144 has 20 divisors (see below), whose sum is σ = 386052424. Its totient is φ = 99505728.

The previous prime is 199132123. The next prime is 199132151. The reversal of 199132144 is 441231991.

It is a super-2 number, since 2×199132144² = 79307221548073472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36439 + ... + 41545.

Almost surely, 2^199132144 is an apocalyptic number.

It is an amenable number.

199132144 is a deficient number, since it is larger than the sum of its proper divisors (186920280).

199132144 is a wasteful number, since it uses less digits than its factorization.

199132144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552 (or 7546 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 199132144 is about 14111.4189222771. The cubic root of 199132144 is about 583.9564457416.

The spelling of 199132144 in words is "one hundred ninety-nine million, one hundred thirty-two thousand, one hundred forty-four".