140220342223402 has 64 divisors (see below), whose sum is σ = 267916333536000. Its totient is φ = 53582036861952.

The previous prime is 140220342223391. The next prime is 140220342223441. The reversal of 140220342223402 is 204322243022041.

It is a happy number.

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, 689182224 + ... + 689385652.

It is an arithmetic number, because the mean of its divisors is an integer number (4186192711500).

Almost surely, 2^{140220342223402} is an apocalyptic number.

140220342223402 is a deficient number, since it is larger than the sum of its proper divisors (127695991312598).

140220342223402 is a wasteful number, since it uses less digits than its factorization.

140220342223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355903.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 140220342223402 its reverse (204322243022041), we get a palindrome (344542585245443).

The spelling of 140220342223402 in words is "one hundred forty trillion, two hundred twenty billion, three hundred forty-two million, two hundred twenty-three thousand, four hundred two".