131849549073 has 96 divisors (see below), whose sum is σ = 214280277120. Its totient is φ = 77445688320.

The previous prime is 131849549063. The next prime is 131849549081. The reversal of 131849549073 is 370945948131.

131849549073 is a `hidden beast` number, since 1 + 3 + 1 + 84 + 9 + 5 + 490 + 73 = 666.

It is not a de Polignac number, because 131849549073 - 2¹⁰ = 131849548049 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131849549063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 213694261 + ... + 213694877.

It is an arithmetic number, because the mean of its divisors is an integer number (2232086220).

Almost surely, 2^131849549073 is an apocalyptic number.

It is an amenable number.

131849549073 is a deficient number, since it is larger than the sum of its proper divisors (82430728047).

131849549073 is a wasteful number, since it uses less digits than its factorization.

131849549073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 131849549073 in words is "one hundred thirty-one billion, eight hundred forty-nine million, five hundred forty-nine thousand, seventy-three".