140743577 has 4 divisors (see below), whose sum is σ = 151570020. Its totient is φ = 129917136.

The previous prime is 140743553. The next prime is 140743607. The reversal of 140743577 is 775347041.

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 30514576 + 110229001 = 5524^2 + 10499^2 .

It is a cyclic number.

It is not a de Polignac number, because 140743577 - 2⁸ = 140743321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140743577.

It is not an unprimeable number, because it can be changed into a prime (140748577) 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 3 ways as a sum of consecutive naturals, for example, 5413202 + ... + 5413227.

It is an arithmetic number, because the mean of its divisors is an integer number (37892505).

Almost surely, 2^140743577 is an apocalyptic number.

It is an amenable number.

140743577 is a deficient number, since it is larger than the sum of its proper divisors (10826443).

140743577 is a wasteful number, since it uses less digits than its factorization.

140743577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10826442.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 140743577 is about 11863.5398174407. The cubic root of 140743577 is about 520.1670777219.

The spelling of 140743577 in words is "one hundred forty million, seven hundred forty-three thousand, five hundred seventy-seven".