107977139 has 6 divisors (see below), whose sum is σ = 109841820. Its totient is φ = 106143596.

The previous prime is 107977109. The next prime is 107977141. The reversal of 107977139 is 931779701.

It is a happy number.

It is not a de Polignac number, because 107977139 - 2¹⁶ = 107911603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107977139.

It is not an unprimeable number, because it can be changed into a prime (107977109) 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, 12029 + ... + 18990.

It is an arithmetic number, because the mean of its divisors is an integer number (18306970).

Almost surely, 2^107977139 is an apocalyptic number.

107977139 is a deficient number, since it is larger than the sum of its proper divisors (1864681).

107977139 is an frugal number, since it uses more digits than its factorization.

107977139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31137 (or 31078 counting only the distinct ones).

The product of its (nonzero) digits is 83349, while the sum is 44.

The square root of 107977139 is about 10391.2048868262. The cubic root of 107977139 is about 476.1867117606.

The spelling of 107977139 in words is "one hundred seven million, nine hundred seventy-seven thousand, one hundred thirty-nine".