140421011021340 has 96 divisors (see below), whose sum is σ = 452323044977664. Its totient is φ = 31883673254400.

The previous prime is 140421011021327. The next prime is 140421011021393. The reversal of 140421011021340 is 43120110124041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140421011021340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107008569 + ... + 1107135408.

It is an arithmetic number, because the mean of its divisors is an integer number (4711698385184).

Almost surely, 2^{140421011021340} is an apocalyptic number.

140421011021340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140421011021340 is an abundant number, since it is smaller than the sum of its proper divisors (311902033956324).

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

140421011021340 is a wasteful number, since it uses less digits than its factorization.

140421011021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214144147 (or 2214144145 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 140421011021340 its reverse (43120110124041), we get a palindrome (183541121145381).

The spelling of 140421011021340 in words is "one hundred forty trillion, four hundred twenty-one billion, eleven million, twenty-one thousand, three hundred forty".