140277643 has 8 divisors (see below), whose sum is σ = 153308736. Its totient is φ = 127293000.

The previous prime is 140277629. The next prime is 140277647. The reversal of 140277643 is 346772041.

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

It is a cyclic number.

It is not a de Polignac number, because 140277643 - 2⁹ = 140277131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140277599 and 140277608.

It is not an unprimeable number, because it can be changed into a prime (140277647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5133 + ... + 17518.

It is an arithmetic number, because the mean of its divisors is an integer number (19163592).

Almost surely, 2^140277643 is an apocalyptic number.

140277643 is a deficient number, since it is larger than the sum of its proper divisors (13031093).

140277643 is a wasteful number, since it uses less digits than its factorization.

140277643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23225.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 140277643 is about 11843.8863131997. The cubic root of 140277643 is about 519.5924358214.

The spelling of 140277643 in words is "one hundred forty million, two hundred seventy-seven thousand, six hundred forty-three".