1316137506 has 8 divisors (see below), whose sum is σ = 2632275024. Its totient is φ = 438712500.

The previous prime is 1316137489. The next prime is 1316137517. The reversal of 1316137506 is 6057316131.

It is a happy number.

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

1316137506 is an admirable number.

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, 109678120 + ... + 109678131.

It is an arithmetic number, because the mean of its divisors is an integer number (329034378).

Almost surely, 2^1316137506 is an apocalyptic number.

1316137506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1316137506 is a wasteful number, since it uses less digits than its factorization.

1316137506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219356256.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 1316137506 is about 36278.6094827241. The cubic root of 1316137506 is about 1095.8903140494.

The spelling of 1316137506 in words is "one billion, three hundred sixteen million, one hundred thirty-seven thousand, five hundred six".