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1139927040 = 21133571931
BaseRepresentation
bin100001111110001…
…1110100000000000
32221102222021221000
41003330132200000
54313310131130
6305040332000
740151135310
oct10374364000
92842867830
101139927040
1153550606a
12279914000
13152220255
14ab573440
156a121260
hex43f1e800

1139927040 has 768 divisors, whose sum is σ = 5031936000. Its totient is φ = 238878720.

The previous prime is 1139927039. The next prime is 1139927051. The reversal of 1139927040 is 407299311.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1139926986 and 1139927004.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36771825 + ... + 36771855.

It is an arithmetic number, because the mean of its divisors is an integer number (6552000).

Almost surely, 21139927040 is an apocalyptic number.

1139927040 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 1139927040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2515968000).

1139927040 is an abundant number, since it is smaller than the sum of its proper divisors (3892008960).

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

1139927040 is a wasteful number, since it uses less digits than its factorization.

1139927040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1139927040 is about 33762.8055706276. The cubic root of 1139927040 is about 1044.6216406098.

The spelling of 1139927040 in words is "one billion, one hundred thirty-nine million, nine hundred twenty-seven thousand, forty".