1309227432 has 32 divisors (see below), whose sum is σ = 3282468000. Its totient is φ = 435155904.

The previous prime is 1309227431. The next prime is 1309227467. The reversal of 1309227432 is 2347229031.

It is a junction number, because it is equal to n+sod(n) for n = 1309227393 and 1309227402.

It is not an unprimeable number, because it can be changed into a prime (1309227431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69778 + ... + 86529.

It is an arithmetic number, because the mean of its divisors is an integer number (102577125).

Almost surely, 2^1309227432 is an apocalyptic number.

1309227432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1309227432 is an abundant number, since it is smaller than the sum of its proper divisors (1973240568).

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

1309227432 is a wasteful number, since it uses less digits than its factorization.

1309227432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156665 (or 156661 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1309227432 is about 36183.2479470818. The cubic root of 1309227432 is about 1093.9690419446.

The spelling of 1309227432 in words is "one billion, three hundred nine million, two hundred twenty-seven thousand, four hundred thirty-two".