1129496340 has 48 divisors (see below), whose sum is σ = 3614389632. Its totient is φ = 258170496.

The previous prime is 1129496323. The next prime is 1129496393. The reversal of 1129496340 is 436949211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344219 + ... + 1345058.

It is an arithmetic number, because the mean of its divisors is an integer number (75299784).

Almost surely, 2^1129496340 is an apocalyptic number.

1129496340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129496340 is an abundant number, since it is smaller than the sum of its proper divisors (2484893292).

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

1129496340 is a wasteful number, since it uses less digits than its factorization.

1129496340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689296 (or 2689294 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1129496340 is about 33607.9803023032. The cubic root of 1129496340 is about 1041.4256643379.

The spelling of 1129496340 in words is "one billion, one hundred twenty-nine million, four hundred ninety-six thousand, three hundred forty".