140702260609 has 3 divisors (see below), whose sum is σ = 140702635713. Its totient is φ = 140701885506.

The previous prime is 140702260607. The next prime is 140702260613. The reversal of 140702260609 is 906062207041.

The square root of 140702260609 is 375103.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 140702260609 - 2¹ = 140702260607 is a prime.

It is a super-2 number, since 2×140702260609² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140702260607) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 187552 + ... + 562654.

It is an arithmetic number, because the mean of its divisors is an integer number (46900878571).

Almost surely, 2^140702260609 is an apocalyptic number.

140702260609 is the 375103-rd square number.

140702260609 is the 187552-nd centered octagonal number.

It is an amenable number.

140702260609 is a deficient number, since it is larger than the sum of its proper divisors (375104).

140702260609 is an frugal number, since it uses more digits than its factorization.

140702260609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750206 (or 375103 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 140702260609 in words is "one hundred forty billion, seven hundred two million, two hundred sixty thousand, six hundred nine".