140500012252442 has 4 divisors (see below), whose sum is σ = 210750018378666. Its totient is φ = 70250006126220.

The previous prime is 140500012252433. The next prime is 140500012252471. The reversal of 140500012252442 is 244252210005041.

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., 85242361517041 + 55257650735401 = 9232679^2 + 7433549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140500012252399 and 140500012252408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35125003063109 + ... + 35125003063112.

Almost surely, 2^{140500012252442} is an apocalyptic number.

140500012252442 is a deficient number, since it is larger than the sum of its proper divisors (70250006126224).

140500012252442 is an equidigital number, since it uses as much as digits as its factorization.

140500012252442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70250006126223.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 140500012252442 its reverse (244252210005041), we get a palindrome (384752222257483).

The spelling of 140500012252442 in words is "one hundred forty trillion, five hundred billion, twelve million, two hundred fifty-two thousand, four hundred forty-two".