1374244785 has 20 divisors (see below), whose sum is σ = 2463461748. Its totient is φ = 732930336.

The previous prime is 1374244777. The next prime is 1374244789. The reversal of 1374244785 is 5874424731.

1374244785 is a `hidden beast` number, since 137 + 42 + 4 + 478 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 788991921 + 585252864 = 28089^2 + 24192^2 .

It is not a de Polignac number, because 1374244785 - 2³ = 1374244777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1374244785.

It is not an unprimeable number, because it can be changed into a prime (1374244789) 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 19 ways as a sum of consecutive naturals, for example, 1696194 + ... + 1697003.

Almost surely, 2^1374244785 is an apocalyptic number.

1374244785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1374244785 is a deficient number, since it is larger than the sum of its proper divisors (1089216963).

1374244785 is an equidigital number, since it uses as much as digits as its factorization.

1374244785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393214 (or 3393205 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 1374244785 is about 37070.8077198218. The cubic root of 1374244785 is about 1111.7864221671.

The spelling of 1374244785 in words is "one billion, three hundred seventy-four million, two hundred forty-four thousand, seven hundred eighty-five".