1315502000 has 80 divisors (see below), whose sum is σ = 3205803744. Its totient is φ = 522080000.

The previous prime is 1315501981. The next prime is 1315502039. The reversal of 1315502000 is 2055131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1315502000.

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 15 ways as a sum of consecutive naturals, for example, 259490 + ... + 264510.

Almost surely, 2^1315502000 is an apocalyptic number.

1315502000 is a gapful number since it is divisible by the number (10) 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 1315502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1602901872).

1315502000 is an abundant number, since it is smaller than the sum of its proper divisors (1890301744).

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

1315502000 is a wasteful number, since it uses less digits than its factorization.

1315502000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175 (or 5159 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1315502000 is about 36269.8497377643. The cubic root of 1315502000 is about 1095.7138996065.

Adding to 1315502000 its reverse (2055131), we get a palindrome (1317557131).

The spelling of 1315502000 in words is "one billion, three hundred fifteen million, five hundred two thousand".