140142145423304 has 8 divisors (see below), whose sum is σ = 262766522668710. Its totient is φ = 70071072711648.

The previous prime is 140142145423303. The next prime is 140142145423349. The reversal of 140142145423304 is 403324541241041.

It can be written as a sum of positive squares in only one way, i.e., 134402239867204 + 5739905556100 = 11593198^2 + 2395810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (140142145423303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8758884088949 + ... + 8758884088964.

Almost surely, 2^{140142145423304} is an apocalyptic number.

It is an amenable number.

140142145423304 is a deficient number, since it is larger than the sum of its proper divisors (122624377245406).

140142145423304 is a wasteful number, since it uses less digits than its factorization.

140142145423304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17517768177919 (or 17517768177915 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 140142145423304 its reverse (403324541241041), we get a palindrome (543466686664345).

The spelling of 140142145423304 in words is "one hundred forty trillion, one hundred forty-two billion, one hundred forty-five million, four hundred twenty-three thousand, three hundred four".