131340121000 has 256 divisors, whose sum is σ = 345772177920. Its totient is φ = 46275840000.

The previous prime is 131340120997. The next prime is 131340121057. The reversal of 131340121000 is 121043131.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127390485 + ... + 127391515.

It is an arithmetic number, because the mean of its divisors is an integer number (1350672570).

Almost surely, 2^131340121000 is an apocalyptic number.

131340121000 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 131340121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172886088960).

131340121000 is an abundant number, since it is smaller than the sum of its proper divisors (214432056920).

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

131340121000 is a wasteful number, since it uses less digits than its factorization.

131340121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131340121000 its reverse (121043131), we get a palindrome (131461164131).

The spelling of 131340121000 in words is "one hundred thirty-one billion, three hundred forty million, one hundred twenty-one thousand".