1315541426 has 8 divisors (see below), whose sum is σ = 1974355884. Its totient is φ = 657422800.

The previous prime is 1315541411. The next prime is 1315541473. The reversal of 1315541426 is 6241455131.

It can be written as a sum of positive squares in 2 ways, for example, as 1306750201 + 8791225 = 36149^2 + 2965^2 .

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

It is a super-2 number, since 2×1315541426² = 3461298487044226952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1315541392 and 1315541401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169205 + ... + 176808.

Almost surely, 2^1315541426 is an apocalyptic number.

1315541426 is a deficient number, since it is larger than the sum of its proper divisors (658814458).

1315541426 is a wasteful number, since it uses less digits than its factorization.

1315541426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347916.

The product of its digits is 14400, while the sum is 32.

The square root of 1315541426 is about 36270.3932429744. The cubic root of 1315541426 is about 1095.7248457915.

Adding to 1315541426 its reverse (6241455131), we get a palindrome (7556996557).

The spelling of 1315541426 in words is "one billion, three hundred fifteen million, five hundred forty-one thousand, four hundred twenty-six".