1301334145 has 4 divisors (see below), whose sum is σ = 1561600980. Its totient is φ = 1041067312.

The previous prime is 1301334143. The next prime is 1301334163. The reversal of 1301334145 is 5414331031.

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 267518736 + 1033815409 = 16356^2 + 32153^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301334145 - 2¹ = 1301334143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1301334143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130133410 + ... + 130133419.

It is an arithmetic number, because the mean of its divisors is an integer number (390400245).

Almost surely, 2^1301334145 is an apocalyptic number.

It is an amenable number.

1301334145 is a deficient number, since it is larger than the sum of its proper divisors (260266835).

1301334145 is an equidigital number, since it uses as much as digits as its factorization.

1301334145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260266834.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1301334145 is about 36074.0092726051. The cubic root of 1301334145 is about 1091.7661083265.

Adding to 1301334145 its reverse (5414331031), we get a palindrome (6715665176).

The spelling of 1301334145 in words is "one billion, three hundred one million, three hundred thirty-four thousand, one hundred forty-five".