744135142161 has 8 divisors (see below), whose sum is σ = 992560491360. Its totient is φ = 495899943872.

The previous prime is 744135142061. The next prime is 744135142169. The reversal of 744135142161 is 161241531447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744135142161 - 2¹¹ = 744135140113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (744135142169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47528595 + ... + 47544248.

It is an arithmetic number, because the mean of its divisors is an integer number (124070061420).

Almost surely, 2^744135142161 is an apocalyptic number.

It is an amenable number.

744135142161 is a deficient number, since it is larger than the sum of its proper divisors (248425349199).

744135142161 is a wasteful number, since it uses less digits than its factorization.

744135142161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95075455.

The product of its digits is 80640, while the sum is 39.

The spelling of 744135142161 in words is "seven hundred forty-four billion, one hundred thirty-five million, one hundred forty-two thousand, one hundred sixty-one".