140241212505 has 24 divisors (see below), whose sum is σ = 243121524360. Its totient is φ = 74784003840.

The previous prime is 140241212473. The next prime is 140241212533. The reversal of 140241212505 is 505212142041.

It is a happy number.

140241212505 is a `hidden beast` number, since 1 + 402 + 4 + 1 + 2 + 1 + 250 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24294833424 + 115946379081 = 155868^2 + 340509^2 .

It is not a de Polignac number, because 140241212505 - 2⁵ = 140241212473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69645 + ... + 534165.

It is an arithmetic number, because the mean of its divisors is an integer number (10130063515).

Almost surely, 2^140241212505 is an apocalyptic number.

140241212505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140241212505 is a deficient number, since it is larger than the sum of its proper divisors (102880311855).

140241212505 is a wasteful number, since it uses less digits than its factorization.

140241212505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471241 (or 471238 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 140241212505 its reverse (505212142041), we get a palindrome (645453354546).

The spelling of 140241212505 in words is "one hundred forty billion, two hundred forty-one million, two hundred twelve thousand, five hundred five".