1157131036 has 12 divisors (see below), whose sum is σ = 2040924928. Its totient is φ = 574009632.

The previous prime is 1157130983. The next prime is 1157131051. The reversal of 1157131036 is 6301317511.

It is a junction number, because it is equal to n+sod(n) for n = 1157130995 and 1157131013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138401 + ... + 1139416.

Almost surely, 2^1157131036 is an apocalyptic number.

It is an amenable number.

1157131036 is a deficient number, since it is larger than the sum of its proper divisors (883793892).

1157131036 is a wasteful number, since it uses less digits than its factorization.

1157131036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277948 (or 2277946 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1157131036 is about 34016.6288159188. The cubic root of 1157131036 is about 1049.8506321162.

Adding to 1157131036 its reverse (6301317511), we get a palindrome (7458448547).

The spelling of 1157131036 in words is "one billion, one hundred fifty-seven million, one hundred thirty-one thousand, thirty-six".