131641162 has 4 divisors (see below), whose sum is σ = 197461746. Its totient is φ = 65820580.

The previous prime is 131641123. The next prime is 131641163. The reversal of 131641162 is 261146131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261146131 = 29 ⋅9005039.

It can be written as a sum of positive squares in only one way, i.e., 82065481 + 49575681 = 9059^2 + 7041^2 .

It is not an unprimeable number, because it can be changed into a prime (131641163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32910289 + ... + 32910292.

Almost surely, 2^131641162 is an apocalyptic number.

131641162 is a deficient number, since it is larger than the sum of its proper divisors (65820584).

131641162 is an equidigital number, since it uses as much as digits as its factorization.

131641162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65820583.

The product of its digits is 864, while the sum is 25.

The square root of 131641162 is about 11473.4982459579. The cubic root of 131641162 is about 508.7025356416.

Adding to 131641162 its reverse (261146131), we get a palindrome (392787293).

The spelling of 131641162 in words is "one hundred thirty-one million, six hundred forty-one thousand, one hundred sixty-two".