1330723156 has 24 divisors (see below), whose sum is σ = 2662341696. Its totient is φ = 570118080.

The previous prime is 1330723151. The next prime is 1330723157. The reversal of 1330723156 is 6513270331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330723151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104496 + ... + 116536.

It is an arithmetic number, because the mean of its divisors is an integer number (110930904).

Almost surely, 2^1330723156 is an apocalyptic number.

It is an amenable number.

1330723156 is an abundant number, since it is smaller than the sum of its proper divisors (1331618540).

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

1330723156 is a wasteful number, since it uses less digits than its factorization.

1330723156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15999 (or 15997 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 1330723156 is about 36479.0783326553. The cubic root of 1330723156 is about 1099.9237291470.

Adding to 1330723156 its reverse (6513270331), we get a palindrome (7843993487).

It can be divided in two parts, 13307 and 23156, that added together give a palindrome (36463).

The spelling of 1330723156 in words is "one billion, three hundred thirty million, seven hundred twenty-three thousand, one hundred fifty-six".