5143537894 has 8 divisors (see below), whose sum is σ = 8416698408. Its totient is φ = 2337971760.

The previous prime is 5143537871. The next prime is 5143537897. The reversal of 5143537894 is 4987353415.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143537897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116898567 + ... + 116898610.

It is an arithmetic number, because the mean of its divisors is an integer number (1052087301).

Almost surely, 2^5143537894 is an apocalyptic number.

5143537894 is a deficient number, since it is larger than the sum of its proper divisors (3273160514).

5143537894 is a wasteful number, since it uses less digits than its factorization.

5143537894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233797190.

The product of its digits is 1814400, while the sum is 49.

The square root of 5143537894 is about 71718.4627135858. The cubic root of 5143537894 is about 1726.1849053149.

The spelling of 5143537894 in words is "five billion, one hundred forty-three million, five hundred thirty-seven thousand, eight hundred ninety-four".