140821478747136 has 220 divisors, whose sum is σ = 458749603225320. Its totient is φ = 42673175101440.

The previous prime is 140821478747129. The next prime is 140821478747149. The reversal of 140821478747136 is 631747874128041.

140821478747136 is a `hidden beast` number, since 1 + 4 + 0 + 8 + 21 + 478 + 7 + 4 + 7 + 136 = 666.

It is a super-2 number, since 2×140821478747136² (a number of 29 digits) contains 22 as substring.

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 19 ways as a sum of consecutive naturals, for example, 76259881 + ... + 78084648.

It is an arithmetic number, because the mean of its divisors is an integer number (2085225469206).

Almost surely, 2^{140821478747136} is an apocalyptic number.

140821478747136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140821478747136 is an abundant number, since it is smaller than the sum of its proper divisors (317928124478184).

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

140821478747136 is a wasteful number, since it uses less digits than its factorization.

140821478747136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154344572 (or 154344545 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 63.

The spelling of 140821478747136 in words is "one hundred forty trillion, eight hundred twenty-one billion, four hundred seventy-eight million, seven hundred forty-seven thousand, one hundred thirty-six".