5142358378 has 4 divisors (see below), whose sum is σ = 7713537570. Its totient is φ = 2571179188.

The previous prime is 5142358367. The next prime is 5142358391. The reversal of 5142358378 is 8738532415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4656288169 + 486070209 = 68237^2 + 22047^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1285589593 + ... + 1285589596.

Almost surely, 2^5142358378 is an apocalyptic number.

5142358378 is a deficient number, since it is larger than the sum of its proper divisors (2571179192).

5142358378 is a wasteful number, since it uses less digits than its factorization.

5142358378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571179191.

The product of its digits is 806400, while the sum is 46.

The square root of 5142358378 is about 71710.2390039247. The cubic root of 5142358378 is about 1726.0529456656.

The spelling of 5142358378 in words is "five billion, one hundred forty-two million, three hundred fifty-eight thousand, three hundred seventy-eight".