378214792139 has 4 divisors (see below), whose sum is σ = 386261915424. Its totient is φ = 370167668856.

The previous prime is 378214792103. The next prime is 378214792157. The reversal of 378214792139 is 931297412873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931297412873 = 107 ⋅8703714139.

It is not a de Polignac number, because 378214792139 - 2¹² = 378214788043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378214792159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4023561572 + ... + 4023561665.

It is an arithmetic number, because the mean of its divisors is an integer number (96565478856).

Almost surely, 2^378214792139 is an apocalyptic number.

378214792139 is a deficient number, since it is larger than the sum of its proper divisors (8047123285).

378214792139 is an equidigital number, since it uses as much as digits as its factorization.

378214792139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8047123284.

The product of its digits is 4572288, while the sum is 56.

The spelling of 378214792139 in words is "three hundred seventy-eight billion, two hundred fourteen million, seven hundred ninety-two thousand, one hundred thirty-nine".