131807849546 has 8 divisors (see below), whose sum is σ = 197713871904. Its totient is φ = 65903225580.

The previous prime is 131807849543. The next prime is 131807849567. The reversal of 131807849546 is 645948708131.

It is a happy number.

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

It is a super-2 number, since 2×131807849546² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131807849491 and 131807849500.

It is not an unprimeable number, because it can be changed into a prime (131807849543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68870 + ... + 518033.

It is an arithmetic number, because the mean of its divisors is an integer number (24714233988).

Almost surely, 2^131807849546 is an apocalyptic number.

131807849546 is a deficient number, since it is larger than the sum of its proper divisors (65906022358).

131807849546 is a wasteful number, since it uses less digits than its factorization.

131807849546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699196.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 131807849546 in words is "one hundred thirty-one billion, eight hundred seven million, eight hundred forty-nine thousand, five hundred forty-six".