1098134198 has 12 divisors (see below), whose sum is σ = 1916132292. Its totient is φ = 470628900.

The previous prime is 1098134183. The next prime is 1098134249. The reversal of 1098134198 is 8914318901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5602628 + ... + 5602823.

It is an arithmetic number, because the mean of its divisors is an integer number (159677691).

Almost surely, 2^1098134198 is an apocalyptic number.

1098134198 is a deficient number, since it is larger than the sum of its proper divisors (817998094).

1098134198 is a wasteful number, since it uses less digits than its factorization.

1098134198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11205467 (or 11205460 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 1098134198 is about 33138.1079423675. The cubic root of 1098134198 is about 1031.6961396084.

The spelling of 1098134198 in words is "one billion, ninety-eight million, one hundred thirty-four thousand, one hundred ninety-eight".