140165004722 has 6 divisors (see below), whose sum is σ = 210248301279. Its totient is φ = 70082237630.

The previous prime is 140165004713. The next prime is 140165004809. The reversal of 140165004722 is 227400561041.

It can be written as a sum of positive squares in only one way, i.e., 70082502361 + 70082502361 = 264731^2 + 264731^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=264731.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 397097 + ... + 661827.

Almost surely, 2^140165004722 is an apocalyptic number.

140165004722 is a deficient number, since it is larger than the sum of its proper divisors (70083296557).

140165004722 is an frugal number, since it uses more digits than its factorization.

140165004722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529464 (or 264733 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

Multiplying 140165004722 by its sum of digits (32), we get a square (4485280151104 = 2117848²).

Adding to 140165004722 its reverse (227400561041), we get a palindrome (367565565763).

The spelling of 140165004722 in words is "one hundred forty billion, one hundred sixty-five million, four thousand, seven hundred twenty-two".