1356163465 has 16 divisors (see below), whose sum is σ = 1646130816. Its totient is φ = 1072512000.

The previous prime is 1356163463. The next prime is 1356163493. The reversal of 1356163465 is 5643616531.

It is not a de Polignac number, because 1356163465 - 2¹ = 1356163463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356163463) 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, 155049 + ... + 163561.

It is an arithmetic number, because the mean of its divisors is an integer number (102883176).

Almost surely, 2^1356163465 is an apocalyptic number.

It is an amenable number.

1356163465 is a deficient number, since it is larger than the sum of its proper divisors (289967351).

1356163465 is a wasteful number, since it uses less digits than its factorization.

1356163465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880.

The product of its digits is 194400, while the sum is 40.

The square root of 1356163465 is about 36826.1247621848. The cubic root of 1356163465 is about 1106.8888518886. Note that the first 4 decimals are identical.

Adding to 1356163465 its reverse (5643616531), we get a palindrome (6999779996).

The spelling of 1356163465 in words is "one billion, three hundred fifty-six million, one hundred sixty-three thousand, four hundred sixty-five".