1157102136 has 96 divisors (see below), whose sum is σ = 3240597360. Its totient is φ = 372750336.

The previous prime is 1157102131. The next prime is 1157102143. The reversal of 1157102136 is 6312017511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157102131) 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, 298386 + ... + 302238.

Almost surely, 2^1157102136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157102136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620298680).

1157102136 is an abundant number, since it is smaller than the sum of its proper divisors (2083495224).

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

1157102136 is a wasteful number, since it uses less digits than its factorization.

1157102136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005 (or 3998 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1157102136 is about 34016.2040210250. The cubic root of 1157102136 is about 1049.8418918397.

Adding to 1157102136 its reverse (6312017511), we get a palindrome (7469119647).

The spelling of 1157102136 in words is "one billion, one hundred fifty-seven million, one hundred two thousand, one hundred thirty-six".