1373039013 has 4 divisors (see below), whose sum is σ = 1830718688. Its totient is φ = 915359340.

The previous prime is 1373038999. The next prime is 1373039029. The reversal of 1373039013 is 3109303731.

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: 3109303731 = 3 ⋅1036434577.

It is not a de Polignac number, because 1373039013 - 2¹⁷ = 1372907941 is a prime.

It is a super-2 number, since 2×1373039013² = 3770472262440028338, 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 (1373039033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228839833 + ... + 228839838.

It is an arithmetic number, because the mean of its divisors is an integer number (457679672).

Almost surely, 2^1373039013 is an apocalyptic number.

It is an amenable number.

1373039013 is a deficient number, since it is larger than the sum of its proper divisors (457679675).

1373039013 is an equidigital number, since it uses as much as digits as its factorization.

1373039013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457679674.

The product of its (nonzero) digits is 5103, while the sum is 30.

The square root of 1373039013 is about 37054.5410577435. The cubic root of 1373039013 is about 1111.4611639559.

The spelling of 1373039013 in words is "one billion, three hundred seventy-three million, thirty-nine thousand, thirteen".