3538856131 has 4 divisors (see below), whose sum is σ = 3552012000. Its totient is φ = 3525700264.

The previous prime is 3538856089. The next prime is 3538856149. The reversal of 3538856131 is 1316588353.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3538856131 - 2²⁷ = 3404638403 is a prime.

It is a super-2 number, since 2×3538856131² = 25047005431832578322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3538851131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6577531 + ... + 6578068.

It is an arithmetic number, because the mean of its divisors is an integer number (888003000).

Almost surely, 2^3538856131 is an apocalyptic number.

3538856131 is a deficient number, since it is larger than the sum of its proper divisors (13155869).

3538856131 is a wasteful number, since it uses less digits than its factorization.

3538856131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13155868.

The product of its digits is 259200, while the sum is 43.

The square root of 3538856131 is about 59488.2856619688. The cubic root of 3538856131 is about 1523.8923973590.

It can be divided in two parts, 35388 and 56131, that added together give a palindrome (91519).

The spelling of 3538856131 in words is "three billion, five hundred thirty-eight million, eight hundred fifty-six thousand, one hundred thirty-one".