131334757620 has 144 divisors (see below), whose sum is σ = 404545627584. Its totient is φ = 31812070400.

The previous prime is 131334757583. The next prime is 131334757633. The reversal of 131334757620 is 26757433131.

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 (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9481900 + ... + 9495740.

It is an arithmetic number, because the mean of its divisors is an integer number (2809344636).

Almost surely, 2^131334757620 is an apocalyptic number.

131334757620 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 131334757620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202272813792).

131334757620 is an abundant number, since it is smaller than the sum of its proper divisors (273210869964).

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

131334757620 is a wasteful number, since it uses less digits than its factorization.

131334757620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15182 (or 15169 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 131334757620 in words is "one hundred thirty-one billion, three hundred thirty-four million, seven hundred fifty-seven thousand, six hundred twenty".