1070439813 has 8 divisors (see below), whose sum is σ = 1585836800. Its totient is φ = 713626524.

The previous prime is 1070439787. The next prime is 1070439817. The reversal of 1070439813 is 3189340701.

It is a happy number.

It is not a de Polignac number, because 1070439813 - 2¹⁴ = 1070423429 is a prime.

It is a super-2 number, since 2×1070439813² = 2291682786510949938, 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 (1070439817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19822933 + ... + 19822986.

It is an arithmetic number, because the mean of its divisors is an integer number (198229600).

Almost surely, 2^1070439813 is an apocalyptic number.

It is an amenable number.

1070439813 is a deficient number, since it is larger than the sum of its proper divisors (515396987).

1070439813 is an equidigital number, since it uses as much as digits as its factorization.

1070439813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39645928 (or 39645922 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1070439813 is about 32717.5765147726. The cubic root of 1070439813 is about 1022.9492411241.

The spelling of 1070439813 in words is "one billion, seventy million, four hundred thirty-nine thousand, eight hundred thirteen".