140407677 has 6 divisors (see below), whose sum is σ = 202811102. Its totient is φ = 93605112.

The previous prime is 140407667. The next prime is 140407703. The reversal of 140407677 is 776704041.

It can be written as a sum of positive squares in only one way, i.e., 95531076 + 44876601 = 9774^2 + 6699^2 .

It is not a de Polignac number, because 140407677 - 2⁴ = 140407661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140407627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7800418 + ... + 7800435.

Almost surely, 2^140407677 is an apocalyptic number.

It is an amenable number.

140407677 is a deficient number, since it is larger than the sum of its proper divisors (62403425).

140407677 is a wasteful number, since it uses less digits than its factorization.

140407677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15600859 (or 15600856 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 140407677 is about 11849.3745404557. The cubic root of 140407677 is about 519.7529361339.

The spelling of 140407677 in words is "one hundred forty million, four hundred seven thousand, six hundred seventy-seven".