140440313341402 has 4 divisors (see below), whose sum is σ = 210660470012106. Its totient is φ = 70220156670700.

The previous prime is 140440313341373. The next prime is 140440313341439. The reversal of 140440313341402 is 204143313044041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97345276709641 + 43095036631761 = 9866371^2 + 6564681^2 .

It is a super-2 number, since 2×140440313341402² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35110078335349 + ... + 35110078335352.

Almost surely, 2^{140440313341402} is an apocalyptic number.

140440313341402 is a deficient number, since it is larger than the sum of its proper divisors (70220156670704).

140440313341402 is an equidigital number, since it uses as much as digits as its factorization.

140440313341402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70220156670703.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 140440313341402 its reverse (204143313044041), we get a palindrome (344583626385443).

The spelling of 140440313341402 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirteen million, three hundred forty-one thousand, four hundred two".