140134442402 has 8 divisors (see below), whose sum is σ = 212166165456. Its totient is φ = 69412387252.

The previous prime is 140134442387. The next prime is 140134442429. The reversal of 140134442402 is 204244431041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327416708 + ... + 327417135.

It is an arithmetic number, because the mean of its divisors is an integer number (26520770682).

Almost surely, 2^140134442402 is an apocalyptic number.

140134442402 is a deficient number, since it is larger than the sum of its proper divisors (72031723054).

140134442402 is a wasteful number, since it uses less digits than its factorization.

140134442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654833952.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 140134442402 its reverse (204244431041), we get a palindrome (344378873443).

The spelling of 140134442402 in words is "one hundred forty billion, one hundred thirty-four million, four hundred forty-two thousand, four hundred two".