1385132830 has 8 divisors (see below), whose sum is σ = 2493239112. Its totient is φ = 554053128.

The previous prime is 1385132821. The next prime is 1385132849. The reversal of 1385132830 is 382315831.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69256632 + ... + 69256651.

It is an arithmetic number, because the mean of its divisors is an integer number (311654889).

Almost surely, 2^1385132830 is an apocalyptic number.

1385132830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1385132830 is a deficient number, since it is larger than the sum of its proper divisors (1108106282).

1385132830 is a wasteful number, since it uses less digits than its factorization.

1385132830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138513290.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1385132830 is about 37217.3726907207. The cubic root of 1385132830 is about 1114.7149036154.

The spelling of 1385132830 in words is "one billion, three hundred eighty-five million, one hundred thirty-two thousand, eight hundred thirty".