1344506387 has 16 divisors (see below), whose sum is σ = 1632560832. Its totient is φ = 1080913920.

The previous prime is 1344506369. The next prime is 1344506419. The reversal of 1344506387 is 7836054431.

It is a cyclic number.

It is not a de Polignac number, because 1344506387 - 2¹⁰ = 1344505363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344506087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15587 + ... + 54147.

It is an arithmetic number, because the mean of its divisors is an integer number (102035052).

Almost surely, 2^1344506387 is an apocalyptic number.

1344506387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1344506387 is a deficient number, since it is larger than the sum of its proper divisors (288054445).

1344506387 is a wasteful number, since it uses less digits than its factorization.

1344506387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38878.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 1344506387 is about 36667.5113281499. The cubic root of 1344506387 is about 1103.7082526865.

The spelling of 1344506387 in words is "one billion, three hundred forty-four million, five hundred six thousand, three hundred eighty-seven".