1140823198 has 16 divisors (see below), whose sum is σ = 1780626240. Its totient is φ = 547739296.

The previous prime is 1140823181. The next prime is 1140823217. The reversal of 1140823198 is 8913280411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109513 + ... + 119476.

It is an arithmetic number, because the mean of its divisors is an integer number (111289140).

Almost surely, 2^1140823198 is an apocalyptic number.

1140823198 is a deficient number, since it is larger than the sum of its proper divisors (639803042).

1140823198 is a wasteful number, since it uses less digits than its factorization.

1140823198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229091.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1140823198 is about 33776.0743426467. The cubic root of 1140823198 is about 1044.8953133380.

The spelling of 1140823198 in words is "one billion, one hundred forty million, eight hundred twenty-three thousand, one hundred ninety-eight".