1313616154 has 8 divisors (see below), whose sum is σ = 1970805780. Its totient is φ = 656680896.

The previous prime is 1313616149. The next prime is 1313616169. The reversal of 1313616154 is 4516163131.

It can be written as a sum of positive squares in 2 ways, for example, as 1308485929 + 5130225 = 36173^2 + 2265^2 .

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

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, 50109 + ... + 71680.

Almost surely, 2^1313616154 is an apocalyptic number.

1313616154 is a deficient number, since it is larger than the sum of its proper divisors (657189626).

1313616154 is a wasteful number, since it uses less digits than its factorization.

1313616154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127184.

The product of its digits is 6480, while the sum is 31.

The square root of 1313616154 is about 36243.8429805671. The cubic root of 1313616154 is about 1095.1900600709.

Adding to 1313616154 its reverse (4516163131), we get a palindrome (5829779285).

The spelling of 1313616154 in words is "one billion, three hundred thirteen million, six hundred sixteen thousand, one hundred fifty-four".