1390543166 has 8 divisors (see below), whose sum is σ = 2086166880. Its totient is φ = 695154208.

The previous prime is 1390543153. The next prime is 1390543183. The reversal of 1390543166 is 6613450931.

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

It is a super-2 number, since 2×1390543166² = 3867220593018607112, which contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 43046 + ... + 68073.

It is an arithmetic number, because the mean of its divisors is an integer number (260770860).

Almost surely, 2^1390543166 is an apocalyptic number.

1390543166 is a deficient number, since it is larger than the sum of its proper divisors (695623714).

1390543166 is a wasteful number, since it uses less digits than its factorization.

1390543166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117378.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1390543166 is about 37289.9874765332. The cubic root of 1390543166 is about 1116.1643787580.

The spelling of 1390543166 in words is "one billion, three hundred ninety million, five hundred forty-three thousand, one hundred sixty-six".