131421465140562 has 24 divisors (see below), whose sum is σ = 284759614304256. Its totient is φ = 43805138662296.

The previous prime is 131421465140557. The next prime is 131421465140569. The reversal of 131421465140562 is 265041564124131.

131421465140562 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 2 + 1 + 46 + 5 + 1 + 40 + 562 = 666.

It is a super-4 number, since 4×131421465140562⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (131421465140569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167630098 + ... + 168412269.

It is an arithmetic number, because the mean of its divisors is an integer number (11864983929344).

Almost surely, 2^{131421465140562} is an apocalyptic number.

131421465140562 is an abundant number, since it is smaller than the sum of its proper divisors (153338149163694).

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

131421465140562 is a wasteful number, since it uses less digits than its factorization.

131421465140562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336064102 (or 336064099 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 131421465140562 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, four hundred sixty-five million, one hundred forty thousand, five hundred sixty-two".