Search a number
-
+
1440132959 is a prime number
BaseRepresentation
bin101010111010110…
…1010111101011111
310201100212100000202
41111311222331133
510422133223314
6354523014115
750454633236
oct12565527537
93640770022
101440132959
11679a10231
1234236a33b
1319c4909a5
14d939bb1d
15866710de
hex55d6af5f

1440132959 has 2 divisors, whose sum is σ = 1440132960. Its totient is φ = 1440132958.

The previous prime is 1440132943. The next prime is 1440133007. The reversal of 1440132959 is 9592310441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440132959 - 24 = 1440132943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440132929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720066479 + 720066480.

It is an arithmetic number, because the mean of its divisors is an integer number (720066480).

Almost surely, 21440132959 is an apocalyptic number.

1440132959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440132959 is an equidigital number, since it uses as much as digits as its factorization.

1440132959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1440132959 is about 37949.0837702309. The cubic root of 1440132959 is about 1129.2779889235.

The spelling of 1440132959 in words is "one billion, four hundred forty million, one hundred thirty-two thousand, nine hundred fifty-nine".