3161140 has 24 divisors (see below), whose sum is σ = 6683040. Its totient is φ = 1255968.

The previous prime is 3161131. The next prime is 3161149. The reversal of 3161140 is 411613.

It is an interprime number because it is at equal distance from previous prime (3161131) and next prime (3161149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3139 + ... + 4021.

It is an arithmetic number, because the mean of its divisors is an integer number (278460).

Almost surely, 2^3161140 is an apocalyptic number.

It is an amenable number.

3161140 is an abundant number, since it is smaller than the sum of its proper divisors (3521900).

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

3161140 is a wasteful number, since it uses less digits than its factorization.

3161140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3161140 is about 1777.9595046007. The cubic root of 3161140 is about 146.7623228152.

Adding to 3161140 its reverse (411613), we get a palindrome (3572753).

The spelling of 3161140 in words is "three million, one hundred sixty-one thousand, one hundred forty".