1309029119 has 4 divisors (see below), whose sum is σ = 1321263144. Its totient is φ = 1296795096.

The previous prime is 1309029103. The next prime is 1309029133. The reversal of 1309029119 is 9119209031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1309029119 - 2⁴ = 1309029103 is a prime.

It is a super-2 number, since 2×1309029119² = 3427114468779832322, 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 (1309059119) 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, 6116852 + ... + 6117065.

It is an arithmetic number, because the mean of its divisors is an integer number (330315786).

Almost surely, 2^1309029119 is an apocalyptic number.

1309029119 is a deficient number, since it is larger than the sum of its proper divisors (12234025).

1309029119 is a wasteful number, since it uses less digits than its factorization.

1309029119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12234024.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 1309029119 is about 36180.5074453082. The cubic root of 1309029119 is about 1093.9138034551.

The spelling of 1309029119 in words is "one billion, three hundred nine million, twenty-nine thousand, one hundred nineteen".