140440313323402 has 16 divisors (see below), whose sum is σ = 212031571943520. Its totient is φ = 69763442620752.

The previous prime is 140440313323397. The next prime is 140440313323421. The reversal of 140440313323402 is 204323313044041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79106952 + ... + 80862787.

It is an arithmetic number, because the mean of its divisors is an integer number (13251973246470).

Almost surely, 2^{140440313323402} is an apocalyptic number.

140440313323402 is a deficient number, since it is larger than the sum of its proper divisors (71591258620118).

140440313323402 is a wasteful number, since it uses less digits than its factorization.

140440313323402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159972597.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 140440313323402 its reverse (204323313044041), we get a palindrome (344763626367443).

The spelling of 140440313323402 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirteen million, three hundred twenty-three thousand, four hundred two".