131541105 has 16 divisors (see below), whose sum is σ = 216154944. Its totient is φ = 68258880.

The previous prime is 131541103. The next prime is 131541119. The reversal of 131541105 is 501145131.

It is a happy number.

It is not a de Polignac number, because 131541105 - 2¹ = 131541103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131541101) 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, 117951 + ... + 119060.

It is an arithmetic number, because the mean of its divisors is an integer number (13509684).

Almost surely, 2^131541105 is an apocalyptic number.

131541105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131541105 is a deficient number, since it is larger than the sum of its proper divisors (84613839).

131541105 is a wasteful number, since it uses less digits than its factorization.

131541105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237056.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 131541105 is about 11469.1370643131. The cubic root of 131541105 is about 508.5736191486.

Adding to 131541105 its reverse (501145131), we get a palindrome (632686236).

The spelling of 131541105 in words is "one hundred thirty-one million, five hundred forty-one thousand, one hundred five".