1309676352 has 28 divisors (see below), whose sum is σ = 3465185856. Its totient is φ = 436558720.

The previous prime is 1309676351. The next prime is 1309676363. The reversal of 1309676352 is 2536769031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1309676351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3410424 + ... + 3410807.

Almost surely, 2^1309676352 is an apocalyptic number.

1309676352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1309676352 is an abundant number, since it is smaller than the sum of its proper divisors (2155509504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1309676352 is an equidigital number, since it uses as much as digits as its factorization.

1309676352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821246 (or 6821236 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 1309676352 is about 36189.4508386077. The cubic root of 1309676352 is about 1094.0940643941.

The spelling of 1309676352 in words is "one billion, three hundred nine million, six hundred seventy-six thousand, three hundred fifty-two".