8113140 has 144 divisors (see below), whose sum is σ = 28933632. Its totient is φ = 1801728.

The previous prime is 8113109. The next prime is 8113153. The reversal of 8113140 is 413118.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59152 + ... + 59288.

It is an arithmetic number, because the mean of its divisors is an integer number (200928).

Almost surely, 2^8113140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8113140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14466816).

8113140 is an abundant number, since it is smaller than the sum of its proper divisors (20820492).

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

8113140 is a wasteful number, since it uses less digits than its factorization.

8113140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 8113140 is about 2848.3574213922. The cubic root of 8113140 is about 200.9384232555.

Adding to 8113140 its reverse (413118), we get a palindrome (8526258).

The spelling of 8113140 in words is "eight million, one hundred thirteen thousand, one hundred forty".