140774289601 has 27 divisors (see below), whose sum is σ = 161864653377. Its totient is φ = 122329881960.

The previous prime is 140774289587. The next prime is 140774289629. The reversal of 140774289601 is 106982477041.

The square root of 140774289601 is 375199.

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

It is not a de Polignac number, because 140774289601 - 2⁵ = 140774289569 is a prime.

It is a super-2 number, since 2×140774289601² (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 (140774289001) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 94924606 + ... + 94926088.

Almost surely, 2^140774289601 is an apocalyptic number.

140774289601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140774289601 is the 375199-th square number.

140774289601 is the 187600-th centered octagonal number.

It is an amenable number.

140774289601 is a deficient number, since it is larger than the sum of its proper divisors (21090363776).

140774289601 is an frugal number, since it uses more digits than its factorization.

140774289601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

Multiplying 140774289601 by its sum of digits (49), we get a square (6897940190449 = 2626393²).

The spelling of 140774289601 in words is "one hundred forty billion, seven hundred seventy-four million, two hundred eighty-nine thousand, six hundred one".