1393527045 has 16 divisors (see below), whose sum is σ = 2237260032. Its totient is φ = 740675520.

The previous prime is 1393527029. The next prime is 1393527049. The reversal of 1393527045 is 5407253931.

It is a happy number.

It is not a de Polignac number, because 1393527045 - 2⁴ = 1393527029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1393526994 and 1393527012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393527049) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 154141 + ... + 162930.

It is an arithmetic number, because the mean of its divisors is an integer number (139828752).

Almost surely, 2^1393527045 is an apocalyptic number.

1393527045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1393527045 is a deficient number, since it is larger than the sum of its proper divisors (843732987).

1393527045 is a wasteful number, since it uses less digits than its factorization.

1393527045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317372.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 1393527045 is about 37329.9751540233. The cubic root of 1393527045 is about 1116.9621773284.

The spelling of 1393527045 in words is "one billion, three hundred ninety-three million, five hundred twenty-seven thousand, forty-five".