1385387070 has 16 divisors (see below), whose sum is σ = 3324929040. Its totient is φ = 369436544.

The previous prime is 1385387063. The next prime is 1385387111. The reversal of 1385387070 is 707835831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23089755 + ... + 23089814.

It is an arithmetic number, because the mean of its divisors is an integer number (207808065).

Almost surely, 2^1385387070 is an apocalyptic number.

1385387070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1385387070 is an abundant number, since it is smaller than the sum of its proper divisors (1939541970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1385387070 is a wasteful number, since it uses less digits than its factorization.

1385387070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46179579.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1385387070 is about 37220.7881431869. The cubic root of 1385387070 is about 1114.7831011132.

The spelling of 1385387070 in words is "one billion, three hundred eighty-five million, three hundred eighty-seven thousand, seventy".