1351738755 has 48 divisors (see below), whose sum is σ = 2523755520. Its totient is φ = 667082304.

The previous prime is 1351738693. The next prime is 1351738769. The reversal of 1351738755 is 5578371531.

1351738755 is a `hidden beast` number, since 1 + 3 + 517 + 3 + 87 + 55 = 666.

It is a Cunningham number, because it is equal to 36766²-1.

It is not a de Polignac number, because 1351738755 - 2⁹ = 1351738243 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 1351738755.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18382 + ... + 55148.

It is an arithmetic number, because the mean of its divisors is an integer number (52578240).

Almost surely, 2^1351738755 is an apocalyptic number.

1351738755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1351738755 is a deficient number, since it is larger than the sum of its proper divisors (1172016765).

1351738755 is a wasteful number, since it uses less digits than its factorization.

1351738755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36840 (or 36837 counting only the distinct ones).

The product of its digits is 441000, while the sum is 45.

The square root of 1351738755 is about 36765.9999864005. Note that the first 4 decimals coincide. The cubic root of 1351738755 is about 1105.6837370052.

The spelling of 1351738755 in words is "one billion, three hundred fifty-one million, seven hundred thirty-eight thousand, seven hundred fifty-five".