1315646072 has 48 divisors (see below), whose sum is σ = 2691066240. Its totient is φ = 602704128.

The previous prime is 1315646071. The next prime is 1315646093. The reversal of 1315646072 is 2706465131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315646071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181673 + ... + 188775.

It is an arithmetic number, because the mean of its divisors is an integer number (56063880).

Almost surely, 2^1315646072 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 1315646072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345533120).

1315646072 is an abundant number, since it is smaller than the sum of its proper divisors (1375420168).

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

1315646072 is a wasteful number, since it uses less digits than its factorization.

1315646072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272 (or 7255 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1315646072 is about 36271.8357958348. The cubic root of 1315646072 is about 1095.7538985145.

The spelling of 1315646072 in words is "one billion, three hundred fifteen million, six hundred forty-six thousand, seventy-two".