1315051140 has 48 divisors (see below), whose sum is σ = 3965387328. Its totient is φ = 323704704.

The previous prime is 1315051051. The next prime is 1315051159. The reversal of 1315051140 is 411505131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842202 + ... + 843761.

It is an arithmetic number, because the mean of its divisors is an integer number (82612236).

Almost surely, 2^1315051140 is an apocalyptic number.

1315051140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315051140 is an abundant number, since it is smaller than the sum of its proper divisors (2650336188).

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

1315051140 is a wasteful number, since it uses less digits than its factorization.

1315051140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685988 (or 1685986 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1315051140 is about 36263.6338499053. The cubic root of 1315051140 is about 1095.5887078503.

Adding to 1315051140 its reverse (411505131), we get a palindrome (1726556271).

The spelling of 1315051140 in words is "one billion, three hundred fifteen million, fifty-one thousand, one hundred forty".