140230603522 has 4 divisors (see below), whose sum is σ = 210345905286. Its totient is φ = 70115301760.

The previous prime is 140230603511. The next prime is 140230603529. The reversal of 140230603522 is 225306032041.

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., 135231972121 + 4998631401 = 367739^2 + 70701^2 .

It is not an unprimeable number, because it can be changed into a prime (140230603529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35057650879 + ... + 35057650882.

Almost surely, 2^140230603522 is an apocalyptic number.

140230603522 is a deficient number, since it is larger than the sum of its proper divisors (70115301764).

140230603522 is an equidigital number, since it uses as much as digits as its factorization.

140230603522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70115301763.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 140230603522 its reverse (225306032041), we get a palindrome (365536635563).

The spelling of 140230603522 in words is "one hundred forty billion, two hundred thirty million, six hundred three thousand, five hundred twenty-two".