1308528970 has 32 divisors (see below), whose sum is σ = 2697971328. Its totient is φ = 447615168.

The previous prime is 1308528959. The next prime is 1308528971. The reversal of 1308528970 is 798258031.

It is not an unprimeable number, because it can be changed into a prime (1308528971) 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 15 ways as a sum of consecutive naturals, for example, 9912 + ... + 52108.

It is an arithmetic number, because the mean of its divisors is an integer number (84311604).

Almost surely, 2^1308528970 is an apocalyptic number.

1308528970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1308528970 is an abundant number, since it is smaller than the sum of its proper divisors (1389442358).

1308528970 is a wasteful number, since it uses less digits than its factorization.

1308528970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42654.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1308528970 is about 36173.5949277923. The cubic root of 1308528970 is about 1093.7744661956.

The spelling of 1308528970 in words is "one billion, three hundred eight million, five hundred twenty-eight thousand, nine hundred seventy".