1084139434285 has 16 divisors (see below), whose sum is σ = 1316886266304. Its totient is φ = 856702801152.

The previous prime is 1084139434229. The next prime is 1084139434309. The reversal of 1084139434285 is 5824349314801.

It is a cyclic number.

It is not a de Polignac number, because 1084139434285 - 2¹³ = 1084139426093 is a prime.

It is a super-2 number, since 2×1084139434285² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2018869 + ... + 2498821.

It is an arithmetic number, because the mean of its divisors is an integer number (82305391644).

Almost surely, 2^{1084139434285} is an apocalyptic number.

It is an amenable number.

1084139434285 is a deficient number, since it is larger than the sum of its proper divisors (232746832019).

1084139434285 is an equidigital number, since it uses as much as digits as its factorization.

1084139434285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485484.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 1084139434285 in words is "one trillion, eighty-four billion, one hundred thirty-nine million, four hundred thirty-four thousand, two hundred eighty-five".