140645233426 has 16 divisors (see below), whose sum is σ = 215884757088. Its totient is φ = 68683809600.

The previous prime is 140645233411. The next prime is 140645233439. The reversal of 140645233426 is 624332546041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3398881 + ... + 3440011.

It is an arithmetic number, because the mean of its divisors is an integer number (13492797318).

Almost surely, 2^140645233426 is an apocalyptic number.

140645233426 is a deficient number, since it is larger than the sum of its proper divisors (75239523662).

140645233426 is a wasteful number, since it uses less digits than its factorization.

140645233426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80937.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 140645233426 its reverse (624332546041), we get a palindrome (764977779467).

The spelling of 140645233426 in words is "one hundred forty billion, six hundred forty-five million, two hundred thirty-three thousand, four hundred twenty-six".