140545677 has 8 divisors (see below), whose sum is σ = 189146016. Its totient is φ = 92821232.

The previous prime is 140545673. The next prime is 140545703. The reversal of 140545677 is 776545041.

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 140545677 - 2² = 140545673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140545673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218598 + ... + 219239.

It is an arithmetic number, because the mean of its divisors is an integer number (23643252).

Almost surely, 2^140545677 is an apocalyptic number.

It is an amenable number.

140545677 is a deficient number, since it is larger than the sum of its proper divisors (48600339).

140545677 is a wasteful number, since it uses less digits than its factorization.

140545677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437947.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 140545677 is about 11855.1962025097. The cubic root of 140545677 is about 519.9231604903.

The spelling of 140545677 in words is "one hundred forty million, five hundred forty-five thousand, six hundred seventy-seven".