131500226449 has 8 divisors (see below), whose sum is σ = 133481018880. Its totient is φ = 129519966576.

The previous prime is 131500226411. The next prime is 131500226461. The reversal of 131500226449 is 944622005131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131500226449 - 2¹⁵ = 131500193681 is a prime.

It is a super-2 number, since 2×131500226449² (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 (131500826449) 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 7 ways as a sum of consecutive naturals, for example, 379152 + ... + 637774.

It is an arithmetic number, because the mean of its divisors is an integer number (16685127360).

Almost surely, 2^131500226449 is an apocalyptic number.

It is an amenable number.

131500226449 is a deficient number, since it is larger than the sum of its proper divisors (1980792431).

131500226449 is an equidigital number, since it uses as much as digits as its factorization.

131500226449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266279.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 131500226449 in words is "one hundred thirty-one billion, five hundred million, two hundred twenty-six thousand, four hundred forty-nine".