140025015140 has 24 divisors (see below), whose sum is σ = 294061048512. Its totient is φ = 56008383840.

The previous prime is 140025015139. The next prime is 140025015157. The reversal of 140025015140 is 41510520041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803297 + ... + 961943.

It is an arithmetic number, because the mean of its divisors is an integer number (12252543688).

Almost surely, 2^140025015140 is an apocalyptic number.

140025015140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140025015140 is an abundant number, since it is smaller than the sum of its proper divisors (154036033372).

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

140025015140 is a wasteful number, since it uses less digits than its factorization.

140025015140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202787 (or 202785 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 140025015140 its reverse (41510520041), we get a palindrome (181535535181).

The spelling of 140025015140 in words is "one hundred forty billion, twenty-five million, fifteen thousand, one hundred forty".