140651365 has 4 divisors (see below), whose sum is σ = 168781644. Its totient is φ = 112521088.

The previous prime is 140651333. The next prime is 140651377. The reversal of 140651365 is 563156041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110544196 + 30107169 = 10514^2 + 5487^2 .

It is a cyclic number.

It is not a de Polignac number, because 140651365 - 2⁵ = 140651333 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 14065132 + ... + 14065141.

It is an arithmetic number, because the mean of its divisors is an integer number (42195411).

Almost surely, 2^140651365 is an apocalyptic number.

It is an amenable number.

140651365 is a deficient number, since it is larger than the sum of its proper divisors (28130279).

140651365 is an equidigital number, since it uses as much as digits as its factorization.

140651365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28130278.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 140651365 is about 11859.6528195390. The cubic root of 140651365 is about 520.0534523455.

The spelling of 140651365 in words is "one hundred forty million, six hundred fifty-one thousand, three hundred sixty-five".