1832139456 has 112 divisors (see below), whose sum is σ = 5565794304. Its totient is φ = 521035776.

The previous prime is 1832139371. The next prime is 1832139479. The reversal of 1832139456 is 6549312381.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 296656 + ... + 302768.

It is an arithmetic number, because the mean of its divisors is an integer number (49694592).

Almost surely, 2^1832139456 is an apocalyptic number.

1832139456 is a gapful number since it is divisible by the number (16) 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 1832139456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782897152).

1832139456 is an abundant number, since it is smaller than the sum of its proper divisors (3733654848).

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

1832139456 is a wasteful number, since it uses less digits than its factorization.

1832139456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358 (or 6348 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 1832139456 is about 42803.4981747988. The cubic root of 1832139456 is about 1223.6376816447.

The spelling of 1832139456 in words is "one billion, eight hundred thirty-two million, one hundred thirty-nine thousand, four hundred fifty-six".