1129635234 has 320 divisors, whose sum is σ = 3398841600. Its totient is φ = 272097792.

The previous prime is 1129635191. The next prime is 1129635263. The reversal of 1129635234 is 4325369211.

1129635234 is a `hidden beast` number, since 1 + 12 + 9 + 635 + 2 + 3 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 10363572 + ... + 10363680.

It is an arithmetic number, because the mean of its divisors is an integer number (10621380).

Almost surely, 2^1129635234 is an apocalyptic number.

1129635234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1129635234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699420800).

1129635234 is an abundant number, since it is smaller than the sum of its proper divisors (2269206366).

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

1129635234 is a wasteful number, since it uses less digits than its factorization.

1129635234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 190 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 1129635234 is about 33610.0466229965. The cubic root of 1129635234 is about 1041.4683505755.

The spelling of 1129635234 in words is "one billion, one hundred twenty-nine million, six hundred thirty-five thousand, two hundred thirty-four".