140677887 has 16 divisors (see below), whose sum is σ = 216006912. Its totient is φ = 79772160.

The previous prime is 140677879. The next prime is 140677921. The reversal of 140677887 is 788776041.

It is not a de Polignac number, because 140677887 - 2³ = 140677879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140677487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22818 + ... + 28319.

It is an arithmetic number, because the mean of its divisors is an integer number (13500432).

Almost surely, 2^140677887 is an apocalyptic number.

140677887 is a deficient number, since it is larger than the sum of its proper divisors (75329025).

140677887 is a wasteful number, since it uses less digits than its factorization.

140677887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51278.

The product of its (nonzero) digits is 526848, while the sum is 48.

The square root of 140677887 is about 11860.7709277264. The cubic root of 140677887 is about 520.0861383438.

The spelling of 140677887 in words is "one hundred forty million, six hundred seventy-seven thousand, eight hundred eighty-seven".