1137158209 has 8 divisors (see below), whose sum is σ = 1240837920. Its totient is φ = 1033528800.

The previous prime is 1137158201. The next prime is 1137158219. The reversal of 1137158209 is 9028517311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1137158209 - 2³ = 1137158201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137158201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46989 + ... + 66949.

It is an arithmetic number, because the mean of its divisors is an integer number (155104740).

Almost surely, 2^1137158209 is an apocalyptic number.

It is an amenable number.

1137158209 is a deficient number, since it is larger than the sum of its proper divisors (103679711).

1137158209 is a wasteful number, since it uses less digits than its factorization.

1137158209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25151.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 1137158209 is about 33721.7764804881. The cubic root of 1137158209 is about 1043.7751753929.

The spelling of 1137158209 in words is "one billion, one hundred thirty-seven million, one hundred fifty-eight thousand, two hundred nine".