1313156 has 12 divisors (see below), whose sum is σ = 2474892. Its totient is φ = 606048.

The previous prime is 1313153. The next prime is 1313161. The reversal of 1313156 is 6513131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 774400 + 538756 = 880^2 + 734^2 .

It is not an unprimeable number, because it can be changed into a prime (1313153) 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, 12575 + ... + 12678.

It is an arithmetic number, because the mean of its divisors is an integer number (206241).

2^1313156 is an apocalyptic number.

It is an amenable number.

1313156 is a deficient number, since it is larger than the sum of its proper divisors (1161736).

1313156 is a wasteful number, since it uses less digits than its factorization.

1313156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25270 (or 25268 counting only the distinct ones).

The product of its digits is 270, while the sum is 20.

The square root of 1313156 is about 1145.9301898458. The cubic root of 1313156 is about 109.5062165038.

Adding to 1313156 its reverse (6513131), we get a palindrome (7826287).

The spelling of 1313156 in words is "one million, three hundred thirteen thousand, one hundred fifty-six".