5142191854 has 8 divisors (see below), whose sum is σ = 7768779480. Its totient is φ = 2552598696.

The previous prime is 5142191797. The next prime is 5142191881. The reversal of 5142191854 is 4581912415.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9248269 + ... + 9248824.

It is an arithmetic number, because the mean of its divisors is an integer number (971097435).

Almost surely, 2^5142191854 is an apocalyptic number.

5142191854 is a deficient number, since it is larger than the sum of its proper divisors (2626587626).

5142191854 is a wasteful number, since it uses less digits than its factorization.

5142191854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18497234.

The product of its digits is 57600, while the sum is 40.

The square root of 5142191854 is about 71709.0779051021. The cubic root of 5142191854 is about 1726.0343139845.

The spelling of 5142191854 in words is "five billion, one hundred forty-two million, one hundred ninety-one thousand, eight hundred fifty-four".