140252531602 has 4 divisors (see below), whose sum is σ = 210378797406. Its totient is φ = 70126265800.

The previous prime is 140252531581. The next prime is 140252531647. The reversal of 140252531602 is 206135252041.

140252531602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 97705631241 + 42546900361 = 312579^2 + 206269^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35063132899 + ... + 35063132902.

Almost surely, 2^140252531602 is an apocalyptic number.

140252531602 is a deficient number, since it is larger than the sum of its proper divisors (70126265804).

140252531602 is an equidigital number, since it uses as much as digits as its factorization.

140252531602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70126265803.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 140252531602 its reverse (206135252041), we get a palindrome (346387783643).

The spelling of 140252531602 in words is "one hundred forty billion, two hundred fifty-two million, five hundred thirty-one thousand, six hundred two".