1301305436 has 12 divisors (see below), whose sum is σ = 2314617480. Its totient is φ = 639986160.

The previous prime is 1301305433. The next prime is 1301305441. The reversal of 1301305436 is 6345031031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301305433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666366 + ... + 2666853.

It is an arithmetic number, because the mean of its divisors is an integer number (192884790).

Almost surely, 2^1301305436 is an apocalyptic number.

It is an amenable number.

1301305436 is a deficient number, since it is larger than the sum of its proper divisors (1013312044).

1301305436 is a wasteful number, since it uses less digits than its factorization.

1301305436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333284 (or 5333282 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1301305436 is about 36073.6113523445. The cubic root of 1301305436 is about 1091.7580797086.

Adding to 1301305436 its reverse (6345031031), we get a palindrome (7646336467).

The spelling of 1301305436 in words is "one billion, three hundred one million, three hundred five thousand, four hundred thirty-six".