140345421402 has 8 divisors (see below), whose sum is σ = 280690842816. Its totient is φ = 46781807132.

The previous prime is 140345421401. The next prime is 140345421409. The reversal of 140345421402 is 204124543041.

140345421402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

140345421402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 140345421402.

It is not an unprimeable number, because it can be changed into a prime (140345421401) 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 3 ways as a sum of consecutive naturals, for example, 11695451778 + ... + 11695451789.

It is an arithmetic number, because the mean of its divisors is an integer number (35086355352).

Almost surely, 2^140345421402 is an apocalyptic number.

140345421402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140345421402 is a wasteful number, since it uses less digits than its factorization.

140345421402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23390903572.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 140345421402 its reverse (204124543041), we get a palindrome (344469964443).

The spelling of 140345421402 in words is "one hundred forty billion, three hundred forty-five million, four hundred twenty-one thousand, four hundred two".