131142626 has 8 divisors (see below), whose sum is σ = 196783020. Its totient is φ = 65548288.

The previous prime is 131142601. The next prime is 131142629. The reversal of 131142626 is 626241131.

It can be written as a sum of positive squares in 2 ways, for example, as 122434225 + 8708401 = 11065^2 + 2951^2 .

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

It is a super-3 number, since 3×131142626³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131142595 and 131142604.

It is not an unprimeable number, because it can be changed into a prime (131142629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3191 + ... + 16506.

Almost surely, 2^131142626 is an apocalyptic number.

131142626 is a deficient number, since it is larger than the sum of its proper divisors (65640394).

131142626 is a wasteful number, since it uses less digits than its factorization.

131142626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23028.

The product of its digits is 1728, while the sum is 26.

The square root of 131142626 is about 11451.7520930205. The cubic root of 131142626 is about 508.0595570532.

Adding to 131142626 its reverse (626241131), we get a palindrome (757383757).

The spelling of 131142626 in words is "one hundred thirty-one million, one hundred forty-two thousand, six hundred twenty-six".