378029139 has 8 divisors (see below), whose sum is σ = 512302032. Its totient is φ = 247887840.

The previous prime is 378029137. The next prime is 378029161. The reversal of 378029139 is 931920873.

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

It is not a de Polignac number, because 378029139 - 2¹ = 378029137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378029139.

It is not an unprimeable number, because it can be changed into a prime (378029137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032684 + ... + 1033049.

It is an arithmetic number, because the mean of its divisors is an integer number (64037754).

Almost surely, 2^378029139 is an apocalyptic number.

378029139 is a deficient number, since it is larger than the sum of its proper divisors (134272893).

378029139 is a wasteful number, since it uses less digits than its factorization.

378029139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065797.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 378029139 is about 19442.9714550014. The cubic root of 378029139 is about 723.0612579115.

The spelling of 378029139 in words is "three hundred seventy-eight million, twenty-nine thousand, one hundred thirty-nine".