1336743145 has 4 divisors (see below), whose sum is σ = 1604091780. Its totient is φ = 1069394512.

The previous prime is 1336743073. The next prime is 1336743173. The reversal of 1336743145 is 5413476331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5413476331 = 353 ⋅15335627.

It can be written as a sum of positive squares in 2 ways, for example, as 831572569 + 505170576 = 28837^2 + 22476^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336743145 - 2⁹ = 1336742633 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 133674310 + ... + 133674319.

It is an arithmetic number, because the mean of its divisors is an integer number (401022945).

Almost surely, 2^1336743145 is an apocalyptic number.

It is an amenable number.

1336743145 is a deficient number, since it is larger than the sum of its proper divisors (267348635).

1336743145 is an equidigital number, since it uses as much as digits as its factorization.

1336743145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267348634.

The product of its digits is 90720, while the sum is 37.

The square root of 1336743145 is about 36561.4981230255. The cubic root of 1336743145 is about 1101.5798634602.

The spelling of 1336743145 in words is "one billion, three hundred thirty-six million, seven hundred forty-three thousand, one hundred forty-five".