1385306590 has 8 divisors (see below), whose sum is σ = 2493551880. Its totient is φ = 554122632.

The previous prime is 1385306543. The next prime is 1385306609. The reversal of 1385306590 is 956035831.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69265320 + ... + 69265339.

It is an arithmetic number, because the mean of its divisors is an integer number (311693985).

Almost surely, 2^1385306590 is an apocalyptic number.

1385306590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1385306590 is a deficient number, since it is larger than the sum of its proper divisors (1108245290).

1385306590 is a wasteful number, since it uses less digits than its factorization.

1385306590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138530666.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 1385306590 is about 37219.7070112058. The cubic root of 1385306590 is about 1114.7615140099.

The spelling of 1385306590 in words is "one billion, three hundred eighty-five million, three hundred six thousand, five hundred ninety".