1309453129 has 8 divisors (see below), whose sum is σ = 1317435840. Its totient is φ = 1301487600.

The previous prime is 1309453091. The next prime is 1309453163. The reversal of 1309453129 is 9213549031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1309453129 - 2¹¹ = 1309451081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1309457129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169452 + ... + 177010.

It is an arithmetic number, because the mean of its divisors is an integer number (164679480).

Almost surely, 2^1309453129 is an apocalyptic number.

It is an amenable number.

1309453129 is a deficient number, since it is larger than the sum of its proper divisors (7982711).

1309453129 is an equidigital number, since it uses as much as digits as its factorization.

1309453129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 1309453129 is about 36186.3666178300. The cubic root of 1309453129 is about 1094.0319012407.

The spelling of 1309453129 in words is "one billion, three hundred nine million, four hundred fifty-three thousand, one hundred twenty-nine".