131441135445 has 24 divisors (see below), whose sum is σ = 231692853600. Its totient is φ = 68913769056.

The previous prime is 131441135429. The next prime is 131441135459. The reversal of 131441135445 is 544531144131.

131441135445 is a `hidden beast` number, since 131 + 44 + 11 + 35 + 445 = 666.

It is not a de Polignac number, because 131441135445 - 2⁴ = 131441135429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24750855 + ... + 24756164.

It is an arithmetic number, because the mean of its divisors is an integer number (9653868900).

Almost surely, 2^131441135445 is an apocalyptic number.

131441135445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131441135445 is a deficient number, since it is larger than the sum of its proper divisors (100251718155).

131441135445 is a wasteful number, since it uses less digits than its factorization.

131441135445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49507089 (or 49507086 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

Adding to 131441135445 its reverse (544531144131), we get a palindrome (675972279576).

The spelling of 131441135445 in words is "one hundred thirty-one billion, four hundred forty-one million, one hundred thirty-five thousand, four hundred forty-five".