140609465465 has 16 divisors (see below), whose sum is σ = 192852012672. Its totient is φ = 96409832064.

The previous prime is 140609465441. The next prime is 140609465471. The reversal of 140609465465 is 564564906041.

It is not a de Polignac number, because 140609465465 - 2²⁰ = 140608416889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270902 + ... + 595488.

It is an arithmetic number, because the mean of its divisors is an integer number (12053250792).

Almost surely, 2^140609465465 is an apocalyptic number.

It is an amenable number.

140609465465 is a deficient number, since it is larger than the sum of its proper divisors (52242547207).

140609465465 is a wasteful number, since it uses less digits than its factorization.

140609465465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336976.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 140609465465 in words is "one hundred forty billion, six hundred nine million, four hundred sixty-five thousand, four hundred sixty-five".