1064131447 has 4 divisors (see below), whose sum is σ = 1069174936. Its totient is φ = 1059087960.

The previous prime is 1064131441. The next prime is 1064131459. The reversal of 1064131447 is 7441314601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7441314601 = 7 ⋅1063044943.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064131447 is a prime.

It is a super-2 number, since 2×1064131447² = 2264751472988627618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064131441) 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, 2521428 + ... + 2521849.

It is an arithmetic number, because the mean of its divisors is an integer number (267293734).

Almost surely, 2^1064131447 is an apocalyptic number.

1064131447 is a deficient number, since it is larger than the sum of its proper divisors (5043489).

1064131447 is an equidigital number, since it uses as much as digits as its factorization.

1064131447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043488.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1064131447 is about 32621.0276815431. The cubic root of 1064131447 is about 1020.9357832143.

The spelling of 1064131447 in words is "one billion, sixty-four million, one hundred thirty-one thousand, four hundred forty-seven".