140234012223402 has 16 divisors (see below), whose sum is σ = 284310052179840. Its totient is φ = 46104332785632.

The previous prime is 140234012223323. The next prime is 140234012223407. The reversal of 140234012223402 is 204322210432041.

It is a self number, because there is not a number n which added to its sum of digits gives 140234012223402.

It is not an unprimeable number, because it can be changed into a prime (140234012223407) 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, 160084488402 + ... + 160084489277.

It is an arithmetic number, because the mean of its divisors is an integer number (17769378261240).

Almost surely, 2^{140234012223402} is an apocalyptic number.

140234012223402 is an abundant number, since it is smaller than the sum of its proper divisors (144076039956438).

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

140234012223402 is a wasteful number, since it uses less digits than its factorization.

140234012223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320168977757.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 140234012223402 its reverse (204322210432041), we get a palindrome (344556222655443).

The spelling of 140234012223402 in words is "one hundred forty trillion, two hundred thirty-four billion, twelve million, two hundred twenty-three thousand, four hundred two".