1326263136 has 48 divisors (see below), whose sum is σ = 3797938368. Its totient is φ = 401897600.

The previous prime is 1326263131. The next prime is 1326263207. The reversal of 1326263136 is 6313626231.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1326263097 and 1326263106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326263131) 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, 626910 + ... + 629021.

It is an arithmetic number, because the mean of its divisors is an integer number (79123716).

Almost surely, 2^1326263136 is an apocalyptic number.

1326263136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1326263136 is an abundant number, since it is smaller than the sum of its proper divisors (2471675232).

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

1326263136 is a wasteful number, since it uses less digits than its factorization.

1326263136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255955 (or 1255947 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 1326263136 is about 36417.8958205990. The cubic root of 1326263136 is about 1098.6935277023.

Adding to 1326263136 its reverse (6313626231), we get a palindrome (7639889367).

It can be divided in two parts, 1326 and 263136, that added together give a palindrome (264462).

The spelling of 1326263136 in words is "one billion, three hundred twenty-six million, two hundred sixty-three thousand, one hundred thirty-six".