7140131 has 8 divisors (see below), whose sum is σ = 7264080. Its totient is φ = 7017472.

The previous prime is 7140127. The next prime is 7140157. The reversal of 7140131 is 1310417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7140131 - 2² = 7140127 is a prime.

It is a super-2 number, since 2×7140131² = 101962941394322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7140101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20051 + ... + 20403.

It is an arithmetic number, because the mean of its divisors is an integer number (908010).

Almost surely, 2^7140131 is an apocalyptic number.

7140131 is a deficient number, since it is larger than the sum of its proper divisors (123949).

7140131 is a wasteful number, since it uses less digits than its factorization.

7140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 7140131 is about 2672.1023558240. The cubic root of 7140131 is about 192.5611746877.

Adding to 7140131 its reverse (1310417), we get a palindrome (8450548).

The spelling of 7140131 in words is "seven million, one hundred forty thousand, one hundred thirty-one".