1308926064 has 80 divisors (see below), whose sum is σ = 3447591840. Its totient is φ = 427852800.

The previous prime is 1308926041. The next prime is 1308926083. The reversal of 1308926064 is 4606298031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527194 + ... + 529670.

It is an arithmetic number, because the mean of its divisors is an integer number (43094898).

Almost surely, 2^1308926064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308926064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723795920).

1308926064 is an abundant number, since it is smaller than the sum of its proper divisors (2138665776).

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

1308926064 is a wasteful number, since it uses less digits than its factorization.

1308926064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698 (or 2692 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1308926064 is about 36179.0832387997. The cubic root of 1308926064 is about 1093.8850961116.

The spelling of 1308926064 in words is "one billion, three hundred eight million, nine hundred twenty-six thousand, sixty-four".