140253662542 has 8 divisors (see below), whose sum is σ = 240434850096. Its totient is φ = 60108712512.

The previous prime is 140253662537. The next prime is 140253662621. The reversal of 140253662542 is 245266352041.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 140253662495 and 140253662504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009059363 + ... + 5009059390.

It is an arithmetic number, because the mean of its divisors is an integer number (30054356262).

Almost surely, 2^140253662542 is an apocalyptic number.

140253662542 is a deficient number, since it is larger than the sum of its proper divisors (100181187554).

140253662542 is a wasteful number, since it uses less digits than its factorization.

140253662542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018118762.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 140253662542 in words is "one hundred forty billion, two hundred fifty-three million, six hundred sixty-two thousand, five hundred forty-two".