140204421402 has 64 divisors (see below), whose sum is σ = 299112652800. Its totient is φ = 43658899200.

The previous prime is 140204421391. The next prime is 140204421491. The reversal of 140204421402 is 204124402041.

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, 24008799 + ... + 24014637.

It is an arithmetic number, because the mean of its divisors is an integer number (4673635200).

Almost surely, 2^140204421402 is an apocalyptic number.

140204421402 is an abundant number, since it is smaller than the sum of its proper divisors (158908231398).

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

140204421402 is a wasteful number, since it uses less digits than its factorization.

140204421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 140204421402 its reverse (204124402041), we get a palindrome (344328823443).

The spelling of 140204421402 in words is "one hundred forty billion, two hundred four million, four hundred twenty-one thousand, four hundred two".