140277365 has 4 divisors (see below), whose sum is σ = 168332844. Its totient is φ = 112221888.

The previous prime is 140277349. The next prime is 140277373. The reversal of 140277365 is 563772041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563772041 = 7 ⋅80538863.

It can be written as a sum of positive squares in 2 ways, for example, as 96373489 + 43903876 = 9817^2 + 6626^2 .

It is a cyclic number.

It is not a de Polignac number, because 140277365 - 2⁴ = 140277349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14027732 + ... + 14027741.

It is an arithmetic number, because the mean of its divisors is an integer number (42083211).

Almost surely, 2^140277365 is an apocalyptic number.

It is an amenable number.

140277365 is a deficient number, since it is larger than the sum of its proper divisors (28055479).

140277365 is an equidigital number, since it uses as much as digits as its factorization.

140277365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28055478.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 140277365 is about 11843.8745771812. The cubic root of 140277365 is about 519.5920925812.

The spelling of 140277365 in words is "one hundred forty million, two hundred seventy-seven thousand, three hundred sixty-five".