1326135545 has 8 divisors (see below), whose sum is σ = 1818700224. Its totient is φ = 909350064.

The previous prime is 1326135527. The next prime is 1326135553. The reversal of 1326135545 is 5455316231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1326135545 - 2¹⁴ = 1326119161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 37889587 = 1326135545 / (1 + 3 + 2 + 6 + 1 + 3 + 5 + 5 + 4 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18944759 + ... + 18944828.

It is an arithmetic number, because the mean of its divisors is an integer number (227337528).

Almost surely, 2^1326135545 is an apocalyptic number.

It is an amenable number.

1326135545 is a deficient number, since it is larger than the sum of its proper divisors (492564679).

1326135545 is an equidigital number, since it uses as much as digits as its factorization.

1326135545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37889599.

The product of its digits is 54000, while the sum is 35.

The square root of 1326135545 is about 36416.1440160817. The cubic root of 1326135545 is about 1098.6582938945.

The spelling of 1326135545 in words is "one billion, three hundred twenty-six million, one hundred thirty-five thousand, five hundred forty-five".