1336612945 has 4 divisors (see below), whose sum is σ = 1603935540. Its totient is φ = 1069290352.

The previous prime is 1336612919. The next prime is 1336612973. The reversal of 1336612945 is 5492166331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 823862209 + 512750736 = 28703^2 + 22644^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336612945 - 2¹⁵ = 1336580177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1336612898 and 1336612907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133661290 + ... + 133661299.

It is an arithmetic number, because the mean of its divisors is an integer number (400983885).

Almost surely, 2^1336612945 is an apocalyptic number.

It is an amenable number.

1336612945 is a deficient number, since it is larger than the sum of its proper divisors (267322595).

1336612945 is an equidigital number, since it uses as much as digits as its factorization.

1336612945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267322594.

The product of its digits is 116640, while the sum is 40.

The square root of 1336612945 is about 36559.7175180553. The cubic root of 1336612945 is about 1101.5440973382.

The spelling of 1336612945 in words is "one billion, three hundred thirty-six million, six hundred twelve thousand, nine hundred forty-five".