140751326461 has 4 divisors (see below), whose sum is σ = 140752800252. Its totient is φ = 140749852672.

The previous prime is 140751326381. The next prime is 140751326473. The reversal of 140751326461 is 164623157041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29935574361 + 110815752100 = 173019^2 + 332890^2 .

It is a cyclic number.

It is not a de Polignac number, because 140751326461 - 2¹³ = 140751318269 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140751326561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582916 + ... + 788221.

It is an arithmetic number, because the mean of its divisors is an integer number (35188200063).

Almost surely, 2^140751326461 is an apocalyptic number.

It is an amenable number.

140751326461 is a deficient number, since it is larger than the sum of its proper divisors (1473791).

140751326461 is a wasteful number, since it uses less digits than its factorization.

140751326461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473790.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 140751326461 in words is "one hundred forty billion, seven hundred fifty-one million, three hundred twenty-six thousand, four hundred sixty-one".