3540131 has 16 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 2808960.

The previous prime is 3540127. The next prime is 3540133. The reversal of 3540131 is 1310453.

It is not a de Polignac number, because 3540131 - 2² = 3540127 is a prime.

It is a super-2 number, since 2×3540131² = 25065054994322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (3540133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8240 + ... + 8658.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

Almost surely, 2^3540131 is an apocalyptic number.

3540131 is a deficient number, since it is larger than the sum of its proper divisors (814429).

3540131 is a wasteful number, since it uses less digits than its factorization.

3540131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3540131 is about 1881.5235847578. The cubic root of 3540131 is about 152.4075368905.

Adding to 3540131 its reverse (1310453), we get a palindrome (4850584).

The spelling of 3540131 in words is "three million, five hundred forty thousand, one hundred thirty-one".