140221123434402 has 16 divisors (see below), whose sum is σ = 285733610017920. Its totient is φ = 45858480619952.

The previous prime is 140221123434373. The next prime is 140221123434407. The reversal of 140221123434402 is 204434321122041.

140221123434402 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140221123434407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220473464202 + ... + 220473464837.

It is an arithmetic number, because the mean of its divisors is an integer number (17858350626120).

Almost surely, 2^{140221123434402} is an apocalyptic number.

140221123434402 is an abundant number, since it is smaller than the sum of its proper divisors (145512486583518).

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

140221123434402 is a wasteful number, since it uses less digits than its factorization.

140221123434402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440946929097.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 140221123434402 its reverse (204434321122041), we get a palindrome (344655444556443).

The spelling of 140221123434402 in words is "one hundred forty trillion, two hundred twenty-one billion, one hundred twenty-three million, four hundred thirty-four thousand, four hundred two".