1304361141 has 4 divisors (see below), whose sum is σ = 1739148192. Its totient is φ = 869574092.

The previous prime is 1304361041. The next prime is 1304361161. The reversal of 1304361141 is 1411634031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1411634031 = 3 ⋅470544677.

It is a cyclic number.

It is not a de Polignac number, because 1304361141 - 2¹¹ = 1304359093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304361161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217393521 + ... + 217393526.

It is an arithmetic number, because the mean of its divisors is an integer number (434787048).

Almost surely, 2^1304361141 is an apocalyptic number.

It is an amenable number.

1304361141 is a deficient number, since it is larger than the sum of its proper divisors (434787051).

1304361141 is an equidigital number, since it uses as much as digits as its factorization.

1304361141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434787050.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1304361141 is about 36115.9402618844. The cubic root of 1304361141 is about 1092.6119614287.

Adding to 1304361141 its reverse (1411634031), we get a palindrome (2715995172).

The spelling of 1304361141 in words is "one billion, three hundred four million, three hundred sixty-one thousand, one hundred forty-one".