1344115785 has 32 divisors (see below), whose sum is σ = 2215893888. Its totient is φ = 695416320.

The previous prime is 1344115783. The next prime is 1344115807. The reversal of 1344115785 is 5875114431.

It is not a de Polignac number, because 1344115785 - 2¹ = 1344115783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344115781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56734 + ... + 76856.

It is an arithmetic number, because the mean of its divisors is an integer number (69246684).

Almost surely, 2^1344115785 is an apocalyptic number.

1344115785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1344115785 is a deficient number, since it is larger than the sum of its proper divisors (871778103).

1344115785 is a wasteful number, since it uses less digits than its factorization.

1344115785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20265.

The product of its digits is 67200, while the sum is 39.

The square root of 1344115785 is about 36662.1846730388. The cubic root of 1344115785 is about 1103.6013603206.

The spelling of 1344115785 in words is "one billion, three hundred forty-four million, one hundred fifteen thousand, seven hundred eighty-five".