1139174478420 has 384 divisors, whose sum is σ = 3675326054400. Its totient is φ = 261070387200.

The previous prime is 1139174478419. The next prime is 1139174478493. The reversal of 1139174478420 is 248744719311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 797182266 + ... + 797183694.

It is an arithmetic number, because the mean of its divisors is an integer number (9571161600).

Almost surely, 2^{1139174478420} is an apocalyptic number.

1139174478420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139174478420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837663027200).

1139174478420 is an abundant number, since it is smaller than the sum of its proper divisors (2536151575980).

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

1139174478420 is a wasteful number, since it uses less digits than its factorization.

1139174478420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 1139174478420 in words is "one trillion, one hundred thirty-nine billion, one hundred seventy-four million, four hundred seventy-eight thousand, four hundred twenty".