140255565120 has 896 divisors, whose sum is σ = 583998750720. Its totient is φ = 31303434240.

The previous prime is 140255565089. The next prime is 140255565133. The reversal of 140255565120 is 21565552041.

140255565120 is a `hidden beast` number, since 1 + 40 + 2 + 55 + 56 + 512 + 0 = 666.

It is a super-2 number, since 2×140255565120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 75936037 + ... + 75937883.

It is an arithmetic number, because the mean of its divisors is an integer number (651784320).

Almost surely, 2^140255565120 is an apocalyptic number.

140255565120 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 140255565120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291999375360).

140255565120 is an abundant number, since it is smaller than the sum of its proper divisors (443743185600).

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

140255565120 is a wasteful number, since it uses less digits than its factorization.

140255565120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 140255565120 in words is "one hundred forty billion, two hundred fifty-five million, five hundred sixty-five thousand, one hundred twenty".