140757604385161 has 3 divisors (see below), whose sum is σ = 140757616249293. Its totient is φ = 140757592521030.

The previous prime is 140757604385093. The next prime is 140757604385173. The reversal of 140757604385161 is 161583406757041.

The square root of 140757604385161 is 11864131.

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 140757604385161 - 2¹¹ = 140757604383113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140757604385096 and 140757604385105.

It is not an unprimeable number, because it can be changed into a prime (140757604385191) 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, 5932066 + ... + 17796196.

It is an arithmetic number, because the mean of its divisors is an integer number (46919205416431).

Almost surely, 2^{140757604385161} is an apocalyptic number.

140757604385161 is the 11864131-st square number.

140757604385161 is the 5932066-th centered octagonal number.

It is an amenable number.

140757604385161 is a deficient number, since it is larger than the sum of its proper divisors (11864132).

140757604385161 is an frugal number, since it uses more digits than its factorization.

140757604385161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23728262 (or 11864131 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 140757604385161 in words is "one hundred forty trillion, seven hundred fifty-seven billion, six hundred four million, three hundred eighty-five thousand, one hundred sixty-one".