384139151 has 4 divisors (see below), whose sum is σ = 419060904. Its totient is φ = 349217400.

The previous prime is 384139117. The next prime is 384139163. The reversal of 384139151 is 151931483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151931483 = 11 ⋅13811953.

It is a cyclic number.

It is not a de Polignac number, because 384139151 - 2⁶ = 384139087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384139051) 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, 17460860 + ... + 17460881.

It is an arithmetic number, because the mean of its divisors is an integer number (104765226).

Almost surely, 2^384139151 is an apocalyptic number.

384139151 is a deficient number, since it is larger than the sum of its proper divisors (34921753).

384139151 is a wasteful number, since it uses less digits than its factorization.

384139151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34921752.

The product of its digits is 12960, while the sum is 35.

The square root of 384139151 is about 19599.4681305386. The cubic root of 384139151 is about 726.9360231090.

The spelling of 384139151 in words is "three hundred eighty-four million, one hundred thirty-nine thousand, one hundred fifty-one".