131121233550140 has 48 divisors (see below), whose sum is σ = 278189095766400. Its totient is φ = 51911093015040.

The previous prime is 131121233550121. The next prime is 131121233550169. The reversal of 131121233550140 is 41055332121131.

It is a junction number, because it is equal to n+sod(n) for n = 131121233550097 and 131121233550106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77455172 + ... + 79129931.

It is an arithmetic number, because the mean of its divisors is an integer number (5795606161800).

Almost surely, 2^{131121233550140} is an apocalyptic number.

131121233550140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131121233550140 is an abundant number, since it is smaller than the sum of its proper divisors (147067862216260).

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

131121233550140 is a wasteful number, since it uses less digits than its factorization.

131121233550140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156585542 (or 156585540 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 131121233550140 its reverse (41055332121131), we get a palindrome (172176565671271).

The spelling of 131121233550140 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, two hundred thirty-three million, five hundred fifty thousand, one hundred forty".