1370881755 has 12 divisors (see below), whose sum is σ = 2376195120. Its totient is φ = 731136912.

The previous prime is 1370881727. The next prime is 1370881789. The reversal of 1370881755 is 5571880731.

It is not a de Polignac number, because 1370881755 - 2⁵ = 1370881723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 30464039 = 1370881755 / (1 + 3 + 7 + 0 + 8 + 8 + 1 + 7 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1370881755.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15231975 + ... + 15232064.

It is an arithmetic number, because the mean of its divisors is an integer number (198016260).

Almost surely, 2^1370881755 is an apocalyptic number.

1370881755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1370881755 is a deficient number, since it is larger than the sum of its proper divisors (1005313365).

1370881755 is a wasteful number, since it uses less digits than its factorization.

1370881755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30464050 (or 30464047 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The square root of 1370881755 is about 37025.4203892407. The cubic root of 1370881755 is about 1110.8787660083.

The spelling of 1370881755 in words is "one billion, three hundred seventy million, eight hundred eighty-one thousand, seven hundred fifty-five".