1386513394 has 8 divisors (see below), whose sum is σ = 2376880128. Its totient is φ = 594220020.

The previous prime is 1386513389. The next prime is 1386513397. The reversal of 1386513394 is 4933156831.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1386513394.

It is not an unprimeable number, because it can be changed into a prime (1386513397) 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, 49518322 + ... + 49518349.

It is an arithmetic number, because the mean of its divisors is an integer number (297110016).

Almost surely, 2^1386513394 is an apocalyptic number.

1386513394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1386513394 is a deficient number, since it is larger than the sum of its proper divisors (990366734).

1386513394 is an equidigital number, since it uses as much as digits as its factorization.

1386513394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99036680.

The product of its digits is 233280, while the sum is 43.

The square root of 1386513394 is about 37235.9153774954. The cubic root of 1386513394 is about 1115.0851266557.

The spelling of 1386513394 in words is "one billion, three hundred eighty-six million, five hundred thirteen thousand, three hundred ninety-four".