1158147936 has 192 divisors, whose sum is σ = 3707907840. Its totient is φ = 348779520.

The previous prime is 1158147901. The next prime is 1158147937. The reversal of 1158147936 is 6397418511.

It is a super-2 number, since 2×1158147936² = 2682613283322120192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1158147891 and 1158147900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158147937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214171 + ... + 2214693.

It is an arithmetic number, because the mean of its divisors is an integer number (19312020).

Almost surely, 2^1158147936 is an apocalyptic number.

1158147936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158147936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853953920).

1158147936 is an abundant number, since it is smaller than the sum of its proper divisors (2549759904).

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

1158147936 is a wasteful number, since it uses less digits than its factorization.

1158147936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 772 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 1158147936 is about 34031.5726348343. The cubic root of 1158147936 is about 1050.1580823212.

The spelling of 1158147936 in words is "one billion, one hundred fifty-eight million, one hundred forty-seven thousand, nine hundred thirty-six".