3118140 has 72 divisors (see below), whose sum is σ = 10024560. Its totient is φ = 781824.

The previous prime is 3118139. The next prime is 3118151. The reversal of 3118140 is 418113.

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 23 ways as a sum of consecutive naturals, for example, 2551 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (139230).

Almost surely, 2^3118140 is an apocalyptic number.

3118140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3118140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5012280).

3118140 is an abundant number, since it is smaller than the sum of its proper divisors (6906420).

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

3118140 is a wasteful number, since it uses less digits than its factorization.

3118140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1046 counting only the distinct ones).

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

The square root of 3118140 is about 1765.8255859512. The cubic root of 3118140 is about 146.0938284718.

The spelling of 3118140 in words is "three million, one hundred eighteen thousand, one hundred forty".