1156415338 has 32 divisors (see below), whose sum is σ = 1908510912. Its totient is φ = 522288000.

The previous prime is 1156415311. The next prime is 1156415341. The reversal of 1156415338 is 8335146511.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1156415297 and 1156415306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246313 + ... + 250963.

It is an arithmetic number, because the mean of its divisors is an integer number (59640966).

Almost surely, 2^1156415338 is an apocalyptic number.

1156415338 is a deficient number, since it is larger than the sum of its proper divisors (752095574).

1156415338 is a wasteful number, since it uses less digits than its factorization.

1156415338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870.

The product of its digits is 43200, while the sum is 37.

The square root of 1156415338 is about 34006.1073632370. The cubic root of 1156415338 is about 1049.6341395039.

The spelling of 1156415338 in words is "one billion, one hundred fifty-six million, four hundred fifteen thousand, three hundred thirty-eight".