1434640005 has 40 divisors (see below), whose sum is σ = 2660427000. Its totient is φ = 738751104.

The previous prime is 1434639959. The next prime is 1434640007. The reversal of 1434640005 is 5000464341.

1434640005 is a `hidden beast` number, since 14 + 3 + 4 + 640 + 0 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 124344801 + 1310295204 = 11151^2 + 36198^2 .

It is not a de Polignac number, because 1434640005 - 2¹³ = 1434631813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434640007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49330 + ... + 72819.

It is an arithmetic number, because the mean of its divisors is an integer number (66510675).

Almost surely, 2^1434640005 is an apocalyptic number.

1434640005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1434640005 is a deficient number, since it is larger than the sum of its proper divisors (1225786995).

1434640005 is a wasteful number, since it uses less digits than its factorization.

1434640005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122195 (or 122186 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1434640005 is about 37876.6419446075. The cubic root of 1434640005 is about 1127.8403958768.

The spelling of 1434640005 in words is "one billion, four hundred thirty-four million, six hundred forty thousand, five".