1385319387 has 8 divisors (see below), whose sum is σ = 1853110336. Its totient is φ = 920537352.

The previous prime is 1385319373. The next prime is 1385319421. The reversal of 1385319387 is 7839135831.

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

It is not a de Polignac number, because 1385319387 - 2⁶ = 1385319323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385319337) 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, 751153 + ... + 752994.

It is an arithmetic number, because the mean of its divisors is an integer number (231638792).

Almost surely, 2^1385319387 is an apocalyptic number.

1385319387 is a deficient number, since it is larger than the sum of its proper divisors (467790949).

1385319387 is a wasteful number, since it uses less digits than its factorization.

1385319387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504457.

The product of its digits is 544320, while the sum is 48.

The square root of 1385319387 is about 37219.8789224253. The cubic root of 1385319387 is about 1114.7649465976.

The spelling of 1385319387 in words is "one billion, three hundred eighty-five million, three hundred nineteen thousand, three hundred eighty-seven".