1393085143 has 8 divisors (see below), whose sum is σ = 1403314640. Its totient is φ = 1382883840.

The previous prime is 1393085101. The next prime is 1393085171. The reversal of 1393085143 is 3415803931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1393085143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393085173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97768 + ... + 111106.

It is an arithmetic number, because the mean of its divisors is an integer number (175414330).

Almost surely, 2^1393085143 is an apocalyptic number.

1393085143 is a deficient number, since it is larger than the sum of its proper divisors (10229497).

1393085143 is a wasteful number, since it uses less digits than its factorization.

1393085143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14097.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1393085143 is about 37324.0558219495. The cubic root of 1393085143 is about 1116.8440980502.

The spelling of 1393085143 in words is "one billion, three hundred ninety-three million, eighty-five thousand, one hundred forty-three".