1357815044 has 12 divisors (see below), whose sum is σ = 2376777564. Its totient is φ = 678735744.

The previous prime is 1357815037. The next prime is 1357815049. The reversal of 1357815044 is 4405187531.

It can be written as a sum of positive squares in 2 ways, for example, as 112572100 + 1245242944 = 10610^2 + 35288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1357814989 and 1357815007.

It is not an unprimeable number, because it can be changed into a prime (1357815049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24257 + ... + 57480.

It is an arithmetic number, because the mean of its divisors is an integer number (198064797).

Almost surely, 2^1357815044 is an apocalyptic number.

It is an amenable number.

1357815044 is a deficient number, since it is larger than the sum of its proper divisors (1018962520).

1357815044 is a wasteful number, since it uses less digits than its factorization.

1357815044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85894 (or 85892 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1357815044 is about 36848.5419521587. The cubic root of 1357815044 is about 1107.3380044232.

The spelling of 1357815044 in words is "one billion, three hundred fifty-seven million, eight hundred fifteen thousand, forty-four".