140246212540 has 48 divisors (see below), whose sum is σ = 336756672000. Its totient is φ = 48060735552.

The previous prime is 140246212537. The next prime is 140246212541. The reversal of 140246212540 is 45212642041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140246212541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39811 + ... + 531109.

It is an arithmetic number, because the mean of its divisors is an integer number (7015764000).

Almost surely, 2^140246212540 is an apocalyptic number.

140246212540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140246212540 is an abundant number, since it is smaller than the sum of its proper divisors (196510459460).

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

140246212540 is a wasteful number, since it uses less digits than its factorization.

140246212540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493354 (or 493352 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 140246212540 its reverse (45212642041), we get a palindrome (185458854581).

The spelling of 140246212540 in words is "one hundred forty billion, two hundred forty-six million, two hundred twelve thousand, five hundred forty".