1309489053 has 8 divisors (see below), whose sum is σ = 1754760000. Its totient is φ = 868605408.

The previous prime is 1309489031. The next prime is 1309489057. The reversal of 1309489053 is 3509849031.

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

It is not a de Polignac number, because 1309489053 - 2⁹ = 1309488541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1309488996 and 1309489014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1309489057) 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 7 ways as a sum of consecutive naturals, for example, 1096128 + ... + 1097321.

It is an arithmetic number, because the mean of its divisors is an integer number (219345000).

Almost surely, 2^1309489053 is an apocalyptic number.

It is an amenable number.

1309489053 is a deficient number, since it is larger than the sum of its proper divisors (445270947).

1309489053 is a wasteful number, since it uses less digits than its factorization.

1309489053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193651.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1309489053 is about 36186.8629892120. The cubic root of 1309489053 is about 1094.0419058352.

The spelling of 1309489053 in words is "one billion, three hundred nine million, four hundred eighty-nine thousand, fifty-three".