3136140 has 144 divisors (see below), whose sum is σ = 11531520. Its totient is φ = 673920.

The previous prime is 3136129. The next prime is 3136163. The reversal of 3136140 is 416313.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23875 + ... + 24005.

It is an arithmetic number, because the mean of its divisors is an integer number (80080).

Almost surely, 2^3136140 is an apocalyptic number.

3136140 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 3136140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5765760).

3136140 is an abundant number, since it is smaller than the sum of its proper divisors (8395380).

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

3136140 is a wasteful number, since it uses less digits than its factorization.

3136140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3136140 is about 1770.9150177239. The cubic root of 3136140 is about 146.3744065267.

The spelling of 3136140 in words is "three million, one hundred thirty-six thousand, one hundred forty".