1315158 has 24 divisors (see below), whose sum is σ = 2850408. Its totient is φ = 404352.

The previous prime is 1315151. The next prime is 1315159. The reversal of 1315158 is 8515131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (118767).

2^1315158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425204).

1315158 is an abundant number, since it is smaller than the sum of its proper divisors (1535250).

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

1315158 is a wasteful number, since it uses less digits than its factorization.

1315158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1315 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 1315158 is about 1146.8033833225. The cubic root of 1315158 is about 109.5618382600.

The spelling of 1315158 in words is "one million, three hundred fifteen thousand, one hundred fifty-eight".