386195139 has 24 divisors (see below), whose sum is σ = 635012352. Its totient is φ = 223879920.

The previous prime is 386195129. The next prime is 386195141. The reversal of 386195139 is 931591683.

It is not a de Polignac number, because 386195139 - 2¹¹ = 386193091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 386195094 and 386195103.

It is not an unprimeable number, because it can be changed into a prime (386195129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82527 + ... + 87080.

It is an arithmetic number, because the mean of its divisors is an integer number (26458848).

Almost surely, 2^386195139 is an apocalyptic number.

386195139 is a deficient number, since it is larger than the sum of its proper divisors (248817213).

386195139 is a wasteful number, since it uses less digits than its factorization.

386195139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169647 (or 169644 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 386195139 is about 19651.8482336904. The cubic root of 386195139 is about 728.2306175488.

The spelling of 386195139 in words is "three hundred eighty-six million, one hundred ninety-five thousand, one hundred thirty-nine".