1356163215 has 16 divisors (see below), whose sum is σ = 2367121536. Its totient is φ = 657533600.

The previous prime is 1356163213. The next prime is 1356163223. The reversal of 1356163215 is 5123616531.

It is not a de Polignac number, because 1356163215 - 2¹ = 1356163213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356163213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4109421 + ... + 4109750.

It is an arithmetic number, because the mean of its divisors is an integer number (147945096).

Almost surely, 2^1356163215 is an apocalyptic number.

1356163215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1356163215 is a deficient number, since it is larger than the sum of its proper divisors (1010958321).

1356163215 is a wasteful number, since it uses less digits than its factorization.

1356163215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219190.

The product of its digits is 16200, while the sum is 33.

The square root of 1356163215 is about 36826.1213678552. The cubic root of 1356163215 is about 1106.8887838726. Note that the first 3 decimals are identical.

Adding to 1356163215 its reverse (5123616531), we get a palindrome (6479779746).

It can be divided in two parts, 135616 and 3215, that added together give a palindrome (138831).

The spelling of 1356163215 in words is "one billion, three hundred fifty-six million, one hundred sixty-three thousand, two hundred fifteen".