1137171728 has 40 divisors (see below), whose sum is σ = 2746937280. Its totient is φ = 443053440.

The previous prime is 1137171683. The next prime is 1137171743. The reversal of 1137171728 is 8271717311.

It is a junction number, because it is equal to n+sod(n) for n = 1137171691 and 1137171700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460283 + ... + 462746.

It is an arithmetic number, because the mean of its divisors is an integer number (68673432).

Almost surely, 2^1137171728 is an apocalyptic number.

It is an amenable number.

1137171728 is an abundant number, since it is smaller than the sum of its proper divisors (1609765552).

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

1137171728 is a wasteful number, since it uses less digits than its factorization.

1137171728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923055 (or 923049 counting only the distinct ones).

The product of its digits is 16464, while the sum is 38.

The square root of 1137171728 is about 33721.9769289999. The cubic root of 1137171728 is about 1043.7793116513.

The spelling of 1137171728 in words is "one billion, one hundred thirty-seven million, one hundred seventy-one thousand, seven hundred twenty-eight".