227790139 has 8 divisors (see below), whose sum is σ = 235379072. Its totient is φ = 220216320.

The previous prime is 227790113. The next prime is 227790161. The reversal of 227790139 is 931097722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 227790139 - 2⁷ = 227790011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227790109) 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 7 ways as a sum of consecutive naturals, for example, 32557 + ... + 38929.

It is an arithmetic number, because the mean of its divisors is an integer number (29422384).

Almost surely, 2^227790139 is an apocalyptic number.

227790139 is a deficient number, since it is larger than the sum of its proper divisors (7588933).

227790139 is a wasteful number, since it uses less digits than its factorization.

227790139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 227790139 is about 15092.7180785967. The cubic root of 227790139 is about 610.7239804982.

It can be divided in two parts, 2277 and 90139, that added together give a square (92416 = 304²).

The spelling of 227790139 in words is "two hundred twenty-seven million, seven hundred ninety thousand, one hundred thirty-nine".