1316725177 has 4 divisors (see below), whose sum is σ = 1326198160. Its totient is φ = 1307252196.

The previous prime is 1316725171. The next prime is 1316725181. The reversal of 1316725177 is 7715276131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7715276131 = 71 ⋅108665861.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316725177 is a prime.

It is a super-3 number, since 3×1316725177³ (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 (1316725171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4736283 + ... + 4736560.

It is an arithmetic number, because the mean of its divisors is an integer number (331549540).

Almost surely, 2^1316725177 is an apocalyptic number.

It is an amenable number.

1316725177 is a deficient number, since it is larger than the sum of its proper divisors (9472983).

1316725177 is an equidigital number, since it uses as much as digits as its factorization.

1316725177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472982.

The product of its digits is 61740, while the sum is 40.

The square root of 1316725177 is about 36286.7079934237. The cubic root of 1316725177 is about 1096.0533991178.

The spelling of 1316725177 in words is "one billion, three hundred sixteen million, seven hundred twenty-five thousand, one hundred seventy-seven".