1134431298 has 256 divisors, whose sum is σ = 3499130880. Its totient is φ = 262828800.

The previous prime is 1134431297. The next prime is 1134431327. The reversal of 1134431298 is 8921344311.

1134431298 is a `hidden beast` number, since 1 + 134 + 431 + 2 + 98 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1134431297) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1675336 + ... + 1676012.

It is an arithmetic number, because the mean of its divisors is an integer number (13668480).

Almost surely, 2^1134431298 is an apocalyptic number.

1134431298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1134431298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1749565440).

1134431298 is an abundant number, since it is smaller than the sum of its proper divisors (2364699582).

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

1134431298 is a wasteful number, since it uses less digits than its factorization.

1134431298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 744 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1134431298 is about 33681.3197187996. The cubic root of 1134431298 is about 1042.9401815889.

The spelling of 1134431298 in words is "one billion, one hundred thirty-four million, four hundred thirty-one thousand, two hundred ninety-eight".