1356751845 has 24 divisors (see below), whose sum is σ = 2354508000. Its totient is φ = 722738016.

The previous prime is 1356751811. The next prime is 1356751849. The reversal of 1356751845 is 5481576531.

1356751845 is a `hidden beast` number, since 1 + 3 + 567 + 5 + 1 + 84 + 5 = 666.

It is not a de Polignac number, because 1356751845 - 2¹⁹ = 1356227557 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 1356751845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356751849) 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 23 ways as a sum of consecutive naturals, for example, 21106 + ... + 56204.

It is an arithmetic number, because the mean of its divisors is an integer number (98104500).

Almost surely, 2^1356751845 is an apocalyptic number.

1356751845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1356751845 is a deficient number, since it is larger than the sum of its proper divisors (997756155).

1356751845 is a wasteful number, since it uses less digits than its factorization.

1356751845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35969 (or 35966 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 1356751845 is about 36834.1125181536. The cubic root of 1356751845 is about 1107.0489056275.

The spelling of 1356751845 in words is "one billion, three hundred fifty-six million, seven hundred fifty-one thousand, eight hundred forty-five".