1215313514 has 8 divisors (see below), whose sum is σ = 1902229920. Its totient is φ = 581236876.

The previous prime is 1215313501. The next prime is 1215313559. The reversal of 1215313514 is 4153135121.

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

It is a super-2 number, since 2×1215313514² = 2953973874622056392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13209884 + ... + 13209975.

It is an arithmetic number, because the mean of its divisors is an integer number (237778740).

Almost surely, 2^1215313514 is an apocalyptic number.

1215313514 is a deficient number, since it is larger than the sum of its proper divisors (686916406).

1215313514 is a wasteful number, since it uses less digits than its factorization.

1215313514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26419884.

The product of its digits is 1800, while the sum is 26.

The square root of 1215313514 is about 34861.3469906141. The cubic root of 1215313514 is about 1067.1597641821.

Adding to 1215313514 its reverse (4153135121), we get a palindrome (5368448635).

The spelling of 1215313514 in words is "one billion, two hundred fifteen million, three hundred thirteen thousand, five hundred fourteen".