1326023136 has 60 divisors (see below), whose sum is σ = 3899804832. Its totient is φ = 442006848.

The previous prime is 1326023113. The next prime is 1326023141. The reversal of 1326023136 is 6313206231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 253200 + ... + 258383.

Almost surely, 2^1326023136 is an apocalyptic number.

1326023136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1326023136 is an abundant number, since it is smaller than the sum of its proper divisors (2573781696).

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

1326023136 is an equidigital number, since it uses as much as digits as its factorization.

1326023136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511605 (or 511588 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 1326023136 is about 36414.6005882256. The cubic root of 1326023136 is about 1098.6272506701.

Adding to 1326023136 its reverse (6313206231), we get a palindrome (7639229367).

The spelling of 1326023136 in words is "one billion, three hundred twenty-six million, twenty-three thousand, one hundred thirty-six".