116578139 has 4 divisors (see below), whose sum is σ = 117732480. Its totient is φ = 115423800.

The previous prime is 116578123. The next prime is 116578193. The reversal of 116578139 is 931875611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116578139 - 2⁴ = 116578123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116578096 and 116578105.

It is not an unprimeable number, because it can be changed into a prime (116578109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577019 + ... + 577220.

It is an arithmetic number, because the mean of its divisors is an integer number (29433120).

Almost surely, 2^116578139 is an apocalyptic number.

116578139 is a deficient number, since it is larger than the sum of its proper divisors (1154341).

116578139 is a wasteful number, since it uses less digits than its factorization.

116578139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154340.

The product of its digits is 45360, while the sum is 41.

The square root of 116578139 is about 10797.1356849861. The cubic root of 116578139 is about 488.5087788666.

The spelling of 116578139 in words is "one hundred sixteen million, five hundred seventy-eight thousand, one hundred thirty-nine".