139976855 has 16 divisors (see below), whose sum is σ = 170973504. Its totient is φ = 109992960.

The previous prime is 139976821. The next prime is 139976867. The reversal of 139976855 is 558679931.

139976855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139976855 - 2¹² = 139972759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139976797 and 139976806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124757 + ... + 125873.

It is an arithmetic number, because the mean of its divisors is an integer number (10685844).

Almost surely, 2^139976855 is an apocalyptic number.

139976855 is a deficient number, since it is larger than the sum of its proper divisors (30996649).

139976855 is a wasteful number, since it uses less digits than its factorization.

139976855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546.

The product of its digits is 2041200, while the sum is 53.

The square root of 139976855 is about 11831.1814710113. The cubic root of 139976855 is about 519.2207942567.

The spelling of 139976855 in words is "one hundred thirty-nine million, nine hundred seventy-six thousand, eight hundred fifty-five".