1315540163 has 8 divisors (see below), whose sum is σ = 1504078080. Its totient is φ = 1127153160.

The previous prime is 1315540159. The next prime is 1315540181. The reversal of 1315540163 is 3610455131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1315540163 - 2² = 1315540159 is a prime.

It is a super-3 number, since 3×1315540163³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315540133) 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, 18383 + ... + 54488.

It is an arithmetic number, because the mean of its divisors is an integer number (188009760).

Almost surely, 2^1315540163 is an apocalyptic number.

1315540163 is a deficient number, since it is larger than the sum of its proper divisors (188537917).

1315540163 is an equidigital number, since it uses as much as digits as its factorization.

1315540163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75457.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1315540163 is about 36270.3758320754. The cubic root of 1315540163 is about 1095.7244951372.

Adding to 1315540163 its reverse (3610455131), we get a palindrome (4925995294).

The spelling of 1315540163 in words is "one billion, three hundred fifteen million, five hundred forty thousand, one hundred sixty-three".