131145862 has 8 divisors (see below), whose sum is σ = 205271856. Its totient is φ = 62721912.

The previous prime is 131145827. The next prime is 131145881. The reversal of 131145862 is 268541131.

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

It is a super-3 number, since 3×131145862³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425453 + ... + 1425544.

It is an arithmetic number, because the mean of its divisors is an integer number (25658982).

Almost surely, 2^131145862 is an apocalyptic number.

131145862 is a deficient number, since it is larger than the sum of its proper divisors (74125994).

131145862 is a wasteful number, since it uses less digits than its factorization.

131145862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851022.

The product of its digits is 5760, while the sum is 31.

The square root of 131145862 is about 11451.8933805725. The cubic root of 131145862 is about 508.0637358806.

Adding to 131145862 its reverse (268541131), we get a palindrome (399686993).

The spelling of 131145862 in words is "one hundred thirty-one million, one hundred forty-five thousand, eight hundred sixty-two".