1358394789 has 16 divisors (see below), whose sum is σ = 1900881792. Its totient is φ = 861208128.

The previous prime is 1358394781. The next prime is 1358394803. The reversal of 1358394789 is 9874938531.

It is not a de Polignac number, because 1358394789 - 2³ = 1358394781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358394781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44962 + ... + 68835.

It is an arithmetic number, because the mean of its divisors is an integer number (118805112).

Almost surely, 2^1358394789 is an apocalyptic number.

It is an amenable number.

1358394789 is a deficient number, since it is larger than the sum of its proper divisors (542487003).

1358394789 is a wasteful number, since it uses less digits than its factorization.

1358394789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113996.

The product of its digits is 6531840, while the sum is 57.

The square root of 1358394789 is about 36856.4077061235. The cubic root of 1358394789 is about 1107.4955816839.

The spelling of 1358394789 in words is "one billion, three hundred fifty-eight million, three hundred ninety-four thousand, seven hundred eighty-nine".