1340273029 has 16 divisors (see below), whose sum is σ = 1381161600. Its totient is φ = 1300138560.

The previous prime is 1340273027. The next prime is 1340273041. The reversal of 1340273029 is 9203720431.

It is a cyclic number.

It is not a de Polignac number, because 1340273029 - 2¹ = 1340273027 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340273023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1517422 + ... + 1518304.

It is an arithmetic number, because the mean of its divisors is an integer number (86322600).

Almost surely, 2^1340273029 is an apocalyptic number.

It is an amenable number.

1340273029 is a deficient number, since it is larger than the sum of its proper divisors (40888571).

1340273029 is a wasteful number, since it uses less digits than its factorization.

1340273029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1340273029 is about 36609.7395374510. The cubic root of 1340273029 is about 1102.5486438054.

The spelling of 1340273029 in words is "one billion, three hundred forty million, two hundred seventy-three thousand, twenty-nine".