1137831009 has 24 divisors (see below), whose sum is σ = 1781956800. Its totient is φ = 643868064.

The previous prime is 1137831001. The next prime is 1137831031. The reversal of 1137831009 is 9001387311.

It is not a de Polignac number, because 1137831009 - 2³ = 1137831001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1137831001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22434 + ... + 52715.

It is an arithmetic number, because the mean of its divisors is an integer number (74248200).

Almost surely, 2^1137831009 is an apocalyptic number.

It is an amenable number.

1137831009 is a deficient number, since it is larger than the sum of its proper divisors (644125791).

1137831009 is a wasteful number, since it uses less digits than its factorization.

1137831009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75269 (or 75262 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 1137831009 is about 33731.7507550379. The cubic root of 1137831009 is about 1043.9809847757.

The spelling of 1137831009 in words is "one billion, one hundred thirty-seven million, eight hundred thirty-one thousand, nine".