1364865012 has 144 divisors (see below), whose sum is σ = 4133640000. Its totient is φ = 388317888.

The previous prime is 1364865001. The next prime is 1364865037. The reversal of 1364865012 is 2105684631.

It is a happy number.

1364865012 is a `hidden beast` number, since 1 + 3 + 648 + 6 + 5 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1846539 + ... + 1847277.

Almost surely, 2^1364865012 is an apocalyptic number.

1364865012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1364865012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2066820000).

1364865012 is an abundant number, since it is smaller than the sum of its proper divisors (2768774988).

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

1364865012 is a wasteful number, since it uses less digits than its factorization.

1364865012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1364865012 is about 36944.0795256831. The cubic root of 1364865012 is about 1109.2511823163.

The spelling of 1364865012 in words is "one billion, three hundred sixty-four million, eight hundred sixty-five thousand, twelve".