131434122440 has 64 divisors (see below), whose sum is σ = 300381350400. Its totient is φ = 51747429888.

The previous prime is 131434122419. The next prime is 131434122461. The reversal of 131434122440 is 44221434131.

It is an interprime number because it is at equal distance from previous prime (131434122419) and next prime (131434122461).

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 15 ways as a sum of consecutive naturals, for example, 3435497 + ... + 3473543.

It is an arithmetic number, because the mean of its divisors is an integer number (4693458600).

Almost surely, 2^131434122440 is an apocalyptic number.

131434122440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131434122440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150190675200).

131434122440 is an abundant number, since it is smaller than the sum of its proper divisors (168947227960).

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

131434122440 is a wasteful number, since it uses less digits than its factorization.

131434122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39414 (or 39410 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 131434122440 its reverse (44221434131), we get a palindrome (175655556571).

The spelling of 131434122440 in words is "one hundred thirty-one billion, four hundred thirty-four million, one hundred twenty-two thousand, four hundred forty".