140343274591 has 8 divisors (see below), whose sum is σ = 151150488944. Its totient is φ = 129537714240.

The previous prime is 140343274543. The next prime is 140343274601. The reversal of 140343274591 is 195472343041.

140343274591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140343274591 - 2⁹ = 140343274079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140343274541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234390 + ... + 579331.

It is an arithmetic number, because the mean of its divisors is an integer number (18893811118).

Almost surely, 2^140343274591 is an apocalyptic number.

140343274591 is a deficient number, since it is larger than the sum of its proper divisors (10807214353).

140343274591 is a wasteful number, since it uses less digits than its factorization.

140343274591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827001.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 140343274591 in words is "one hundred forty billion, three hundred forty-three million, two hundred seventy-four thousand, five hundred ninety-one".