140121430040000 has 140 divisors (see below), whose sum is σ = 347592063847248. Its totient is φ = 56026560000000.

The previous prime is 140121430039967. The next prime is 140121430040003. The reversal of 140121430040000 is 40034121041.

It is a super-2 number, since 2×140121430040000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140121430040003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101353400 + ... + 102726600.

Almost surely, 2^{140121430040000} is an apocalyptic number.

140121430040000 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 140121430040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173796031923624).

140121430040000 is an abundant number, since it is smaller than the sum of its proper divisors (207470633807248).

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

140121430040000 is an equidigital number, since it uses as much as digits as its factorization.

140121430040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375784 (or 1375759 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 140121430040000 its reverse (40034121041), we get a palindrome (140161464161041).

The spelling of 140121430040000 in words is "one hundred forty trillion, one hundred twenty-one billion, four hundred thirty million, forty thousand".