140435546261 has 4 divisors (see below), whose sum is σ = 140445763872. Its totient is φ = 140425328652.

The previous prime is 140435546249. The next prime is 140435546327. The reversal of 140435546261 is 162645534041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140435546261 - 2¹⁴ = 140435529877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140435546761) 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, 5088161 + ... + 5115686.

It is an arithmetic number, because the mean of its divisors is an integer number (35111440968).

Almost surely, 2^140435546261 is an apocalyptic number.

It is an amenable number.

140435546261 is a deficient number, since it is larger than the sum of its proper divisors (10217611).

140435546261 is a wasteful number, since it uses less digits than its factorization.

140435546261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217610.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 140435546261 in words is "one hundred forty billion, four hundred thirty-five million, five hundred forty-six thousand, two hundred sixty-one".