3142140 has 24 divisors (see below), whose sum is σ = 8798160. Its totient is φ = 837888.

The previous prime is 3142123. The next prime is 3142157. The reversal of 3142140 is 412413.

It is an interprime number because it is at equal distance from previous prime (3142123) and next prime (3142157).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26125 + ... + 26244.

It is an arithmetic number, because the mean of its divisors is an integer number (366590).

Almost surely, 2^3142140 is an apocalyptic number.

3142140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3142140 is an abundant number, since it is smaller than the sum of its proper divisors (5656020).

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

3142140 is a wasteful number, since it uses less digits than its factorization.

3142140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52381 (or 52379 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3142140 is about 1772.6082477524. The cubic root of 3142140 is about 146.4676939174.

Adding to 3142140 its reverse (412413), we get a palindrome (3554553).

The spelling of 3142140 in words is "three million, one hundred forty-two thousand, one hundred forty".