199156095 has 12 divisors (see below), whose sum is σ = 345203976. Its totient is φ = 106216560.

The previous prime is 199156019. The next prime is 199156099. The reversal of 199156095 is 590651991.

It is a happy number.

It is not a de Polignac number, because 199156095 - 2⁸ = 199155839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4425691 = 199156095 / (1 + 9 + 9 + 1 + 5 + 6 + 0 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 199156095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199156099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2212801 + ... + 2212890.

It is an arithmetic number, because the mean of its divisors is an integer number (28766998).

Almost surely, 2^199156095 is an apocalyptic number.

199156095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199156095 is a deficient number, since it is larger than the sum of its proper divisors (146047881).

199156095 is a wasteful number, since it uses less digits than its factorization.

199156095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425702 (or 4425699 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 45.

The square root of 199156095 is about 14112.2675357293. The cubic root of 199156095 is about 583.9798569630.

The spelling of 199156095 in words is "one hundred ninety-nine million, one hundred fifty-six thousand, ninety-five".