1285089139390 has 16 divisors (see below), whose sum is σ = 2643611944032. Its totient is φ = 440601990624.

The previous prime is 1285089139363. The next prime is 1285089139403. The reversal of 1285089139390 is 939319805821.

It is a super-3 number, since 3×1285089139390³ (a number of 37 digits) contains 333 as substring.

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, 9179208069 + ... + 9179208208.

It is an arithmetic number, because the mean of its divisors is an integer number (165225746502).

Almost surely, 2^{1285089139390} is an apocalyptic number.

1285089139390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1285089139390 is an abundant number, since it is smaller than the sum of its proper divisors (1358522804642).

1285089139390 is a wasteful number, since it uses less digits than its factorization.

1285089139390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18358416291.

The product of its (nonzero) digits is 4199040, while the sum is 58.

The spelling of 1285089139390 in words is "one trillion, two hundred eighty-five billion, eighty-nine million, one hundred thirty-nine thousand, three hundred ninety".