1358807045 has 4 divisors (see below), whose sum is σ = 1630568460. Its totient is φ = 1087045632.

The previous prime is 1358807029. The next prime is 1358807053. The reversal of 1358807045 is 5407088531.

It is a Cunningham number, because it is equal to 36862²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 489205924 + 869601121 = 22118^2 + 29489^2 .

It is a cyclic number.

It is not a de Polignac number, because 1358807045 - 2⁴ = 1358807029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1358806993 and 1358807011.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 135880700 + ... + 135880709.

It is an arithmetic number, because the mean of its divisors is an integer number (407642115).

Almost surely, 2^1358807045 is an apocalyptic number.

It is an amenable number.

1358807045 is a deficient number, since it is larger than the sum of its proper divisors (271761415).

1358807045 is an equidigital number, since it uses as much as digits as its factorization.

1358807045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271761414.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 1358807045 is about 36862.0000135641. Note that the first 4 decimals coincide. The cubic root of 1358807045 is about 1107.6076074175.

The spelling of 1358807045 in words is "one billion, three hundred fifty-eight million, eight hundred seven thousand, forty-five".