1306551064 has 64 divisors (see below), whose sum is σ = 3146250240. Its totient is φ = 494398080.

The previous prime is 1306551019. The next prime is 1306551109. The reversal of 1306551064 is 4601556031.

It is an interprime number because it is at equal distance from previous prime (1306551019) and next prime (1306551109).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22272 + ... + 55759.

It is an arithmetic number, because the mean of its divisors is an integer number (49160160).

Almost surely, 2^1306551064 is an apocalyptic number.

1306551064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1306551064 is an abundant number, since it is smaller than the sum of its proper divisors (1839699176).

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

1306551064 is a wasteful number, since it uses less digits than its factorization.

1306551064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78080 (or 78076 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1306551064 is about 36146.2455035098. The cubic root of 1306551064 is about 1093.2230902955.

The spelling of 1306551064 in words is "one billion, three hundred six million, five hundred fifty-one thousand, sixty-four".