131404445152 has 48 divisors (see below), whose sum is σ = 263074068432. Its totient is φ = 64593054720.

The previous prime is 131404445141. The next prime is 131404445171. The reversal of 131404445152 is 251544404131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4187023 + ... + 4218289.

It is an arithmetic number, because the mean of its divisors is an integer number (5480709759).

Almost surely, 2^131404445152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131404445152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131537034216).

131404445152 is an abundant number, since it is smaller than the sum of its proper divisors (131669623280).

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

131404445152 is a wasteful number, since it uses less digits than its factorization.

131404445152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33491 (or 33483 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 131404445152 its reverse (251544404131), we get a palindrome (382948849283).

The spelling of 131404445152 in words is "one hundred thirty-one billion, four hundred four million, four hundred forty-five thousand, one hundred fifty-two".