140073365 has 8 divisors (see below), whose sum is σ = 169752888. Its totient is φ = 110948800.

The previous prime is 140073361. The next prime is 140073371. The reversal of 140073365 is 563370041.

It can be written as a sum of positive squares in 4 ways, for example, as 84511249 + 55562116 = 9193^2 + 7454^2 .

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

It is not a de Polignac number, because 140073365 - 2² = 140073361 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 (140073361) 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, 138182 + ... + 139191.

It is an arithmetic number, because the mean of its divisors is an integer number (21219111).

Almost surely, 2^140073365 is an apocalyptic number.

It is an amenable number.

140073365 is a deficient number, since it is larger than the sum of its proper divisors (29679523).

140073365 is a wasteful number, since it uses less digits than its factorization.

140073365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277479.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 140073365 is about 11835.2593972418. The cubic root of 140073365 is about 519.3400960913.

The spelling of 140073365 in words is "one hundred forty million, seventy-three thousand, three hundred sixty-five".