378875139 has 8 divisors (see below), whose sum is σ = 510168912. Its totient is φ = 250082400.

The previous prime is 378875093. The next prime is 378875191. The reversal of 378875139 is 931578873.

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

It is not a de Polignac number, because 378875139 - 2⁷ = 378875011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378875091 and 378875100.

It is not an unprimeable number, because it can be changed into a prime (378875839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624904 + ... + 625509.

It is an arithmetic number, because the mean of its divisors is an integer number (63771114).

Almost surely, 2^378875139 is an apocalyptic number.

378875139 is a deficient number, since it is larger than the sum of its proper divisors (131293773).

378875139 is a wasteful number, since it uses less digits than its factorization.

378875139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250517.

The product of its digits is 1270080, while the sum is 51.

The square root of 378875139 is about 19464.7152303855. The cubic root of 378875139 is about 723.6002411167.

The spelling of 378875139 in words is "three hundred seventy-eight million, eight hundred seventy-five thousand, one hundred thirty-nine".