140680377 has 12 divisors (see below), whose sum is σ = 203404500. Its totient is φ = 93694848.

The previous prime is 140680357. The next prime is 140680381. The reversal of 140680377 is 773086041.

It can be written as a sum of positive squares in 2 ways, for example, as 71723961 + 68956416 = 8469^2 + 8304^2 .

It is not a de Polignac number, because 140680377 - 2¹⁵ = 140647609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140680357) 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 11 ways as a sum of consecutive naturals, for example, 2749 + ... + 16997.

It is an arithmetic number, because the mean of its divisors is an integer number (16950375).

Almost surely, 2^140680377 is an apocalyptic number.

It is an amenable number.

140680377 is a deficient number, since it is larger than the sum of its proper divisors (62724123).

140680377 is a wasteful number, since it uses less digits than its factorization.

140680377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15352 (or 15349 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 140680377 is about 11860.8758951437. The cubic root of 140680377 is about 520.0892068356.

The spelling of 140680377 in words is "one hundred forty million, six hundred eighty thousand, three hundred seventy-seven".