1357493044 has 12 divisors (see below), whose sum is σ = 2515354884. Its totient is φ = 638820224.

The previous prime is 1357493017. The next prime is 1357493077. The reversal of 1357493044 is 4403947531.

It can be written as a sum of positive squares in 2 ways, for example, as 1188180900 + 169312144 = 34470^2 + 13012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1357492988 and 1357493006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9981499 + ... + 9981634.

It is an arithmetic number, because the mean of its divisors is an integer number (209612907).

Almost surely, 2^1357493044 is an apocalyptic number.

It is an amenable number.

1357493044 is a deficient number, since it is larger than the sum of its proper divisors (1157861840).

1357493044 is a wasteful number, since it uses less digits than its factorization.

1357493044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19963154 (or 19963152 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 1357493044 is about 36844.1724564415. The cubic root of 1357493044 is about 1107.2504640206.

The spelling of 1357493044 in words is "one billion, three hundred fifty-seven million, four hundred ninety-three thousand, forty-four".