1156341328 has 20 divisors (see below), whose sum is σ = 2268773440. Its totient is φ = 570851424.

The previous prime is 1156341289. The next prime is 1156341359. The reversal of 1156341328 is 8231436511.

It is a junction number, because it is equal to n+sod(n) for n = 1156341293 and 1156341302.

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, 456150 + ... + 458677.

It is an arithmetic number, because the mean of its divisors is an integer number (113438672).

Almost surely, 2^1156341328 is an apocalyptic number.

It is an amenable number.

1156341328 is a deficient number, since it is larger than the sum of its proper divisors (1112432112).

1156341328 is an equidigital number, since it uses as much as digits as its factorization.

1156341328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914914 (or 914908 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 1156341328 is about 34005.0191589418. The cubic root of 1156341328 is about 1049.6117470072.

Adding to 1156341328 its reverse (8231436511), we get a palindrome (9387777839).

The spelling of 1156341328 in words is "one billion, one hundred fifty-six million, three hundred forty-one thousand, three hundred twenty-eight".