140141465 has 8 divisors (see below), whose sum is σ = 168247368. Its totient is φ = 112061440.

The previous prime is 140141453. The next prime is 140141467. The reversal of 140141465 is 564141041.

It can be written as a sum of positive squares in 4 ways, for example, as 48594841 + 91546624 = 6971^2 + 9568^2 .

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

It is not a de Polignac number, because 140141465 - 2¹⁴ = 140125081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140141467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8675 + ... + 18855.

It is an arithmetic number, because the mean of its divisors is an integer number (21030921).

Almost surely, 2^140141465 is an apocalyptic number.

It is an amenable number.

140141465 is a deficient number, since it is larger than the sum of its proper divisors (28105903).

140141465 is a wasteful number, since it uses less digits than its factorization.

140141465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12939.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 140141465 is about 11838.1360441583. The cubic root of 140141465 is about 519.4242456381.

The spelling of 140141465 in words is "one hundred forty million, one hundred forty-one thousand, four hundred sixty-five".