1308485929 has 9 divisors (see below), whose sum is σ = 1332535269. Its totient is φ = 1284864960.

The previous prime is 1308485917. The next prime is 1308485951. The reversal of 1308485929 is 9295848031.

The square root of 1308485929 is 36173.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 287811225 + 1020674704 = 16965^2 + 31948^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1308485929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1308485989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2206257 + ... + 2206849.

Almost surely, 2^1308485929 is an apocalyptic number.

1308485929 is the 36173-rd square number.

1308485929 is the 18087-th centered octagonal number.

It is an amenable number.

1308485929 is a deficient number, since it is larger than the sum of its proper divisors (24049340).

1308485929 is an frugal number, since it uses more digits than its factorization.

1308485929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The cubic root of 1308485929 is about 1093.7624736798.

Multiplying 1308485929 by its sum of digits (49), we get a square (64115810521 = 253211²).

The spelling of 1308485929 in words is "one billion, three hundred eight million, four hundred eighty-five thousand, nine hundred twenty-nine".