1315301540 has 24 divisors (see below), whose sum is σ = 3156724032. Its totient is φ = 450960480.

The previous prime is 1315301531. The next prime is 1315301549. The reversal of 1315301540 is 451035131.

It is an interprime number because it is at equal distance from previous prime (1315301531) and next prime (1315301549).

It is a super-2 number, since 2×1315301540² = 3460036282252743200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1315301549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4697366 + ... + 4697645.

It is an arithmetic number, because the mean of its divisors is an integer number (131530168).

Almost surely, 2^1315301540 is an apocalyptic number.

1315301540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315301540 is an abundant number, since it is smaller than the sum of its proper divisors (1841422492).

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

1315301540 is a wasteful number, since it uses less digits than its factorization.

1315301540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395027 (or 9395025 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1315301540 is about 36267.0861801717. The cubic root of 1315301540 is about 1095.6582407615.

Adding to 1315301540 its reverse (451035131), we get a palindrome (1766336671).

The spelling of 1315301540 in words is "one billion, three hundred fifteen million, three hundred one thousand, five hundred forty".