131073954899 has 4 divisors (see below), whose sum is σ = 133222708320. Its totient is φ = 128925201480.

The previous prime is 131073954881. The next prime is 131073954929. The reversal of 131073954899 is 998459370131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131073954899 is a prime.

It is a super-2 number, since 2×131073954899² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131073954859) 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 3 ways as a sum of consecutive naturals, for example, 1074376619 + ... + 1074376740.

It is an arithmetic number, because the mean of its divisors is an integer number (33305677080).

Almost surely, 2^131073954899 is an apocalyptic number.

131073954899 is a deficient number, since it is larger than the sum of its proper divisors (2148753421).

131073954899 is an equidigital number, since it uses as much as digits as its factorization.

131073954899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148753420.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 131073954899 in words is "one hundred thirty-one billion, seventy-three million, nine hundred fifty-four thousand, eight hundred ninety-nine".