131446000305450 has 144 divisors (see below), whose sum is σ = 371542476306456. Its totient is φ = 33273080985600.

The previous prime is 131446000305439. The next prime is 131446000305457. The reversal of 131446000305450 is 54503000644131.

131446000305450 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 4 + 600 + 0 + 3 + 0 + 5 + 45 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 27544327496361 + 103901672809089 = 5248269^2 + 10193217^2 .

It is a super-2 number, since 2×131446000305450² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131446000305457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 95593627 + ... + 96958926.

Almost surely, 2^{131446000305450} is an apocalyptic number.

131446000305450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131446000305450 is an abundant number, since it is smaller than the sum of its proper divisors (240096476001006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131446000305450 is a wasteful number, since it uses less digits than its factorization.

131446000305450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192552649 (or 192552641 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 131446000305450 its reverse (54503000644131), we get a palindrome (185949000949581).

The spelling of 131446000305450 in words is "one hundred thirty-one trillion, four hundred forty-six billion, three hundred five thousand, four hundred fifty".