1098134256 has 40 divisors (see below), whose sum is σ = 2848746240. Its totient is φ = 364509376.

The previous prime is 1098134251. The next prime is 1098134263. The reversal of 1098134256 is 6524318901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098134251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36390 + ... + 59333.

It is an arithmetic number, because the mean of its divisors is an integer number (71218656).

Almost surely, 2^1098134256 is an apocalyptic number.

1098134256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1098134256 is an abundant number, since it is smaller than the sum of its proper divisors (1750611984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1098134256 is a wasteful number, since it uses less digits than its factorization.

1098134256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95973 (or 95967 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1098134256 is about 33138.1088174929. The cubic root of 1098134256 is about 1031.6961577720.

The spelling of 1098134256 in words is "one billion, ninety-eight million, one hundred thirty-four thousand, two hundred fifty-six".