1359399 has 4 divisors (see below), whose sum is σ = 1812536. Its totient is φ = 906264.

The previous prime is 1359377. The next prime is 1359401. The reversal of 1359399 is 9939531.

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

It is not a de Polignac number, because 1359399 - 2⁵ = 1359367 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359329) 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, 226564 + ... + 226569.

It is an arithmetic number, because the mean of its divisors is an integer number (453134).

2^1359399 is an apocalyptic number.

1359399 is a deficient number, since it is larger than the sum of its proper divisors (453137).

1359399 is an equidigital number, since it uses as much as digits as its factorization.

1359399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453136.

The product of its digits is 32805, while the sum is 39.

The square root of 1359399 is about 1165.9326738710. The cubic root of 1359399 is about 110.7768424628.

The spelling of 1359399 in words is "one million, three hundred fifty-nine thousand, three hundred ninety-nine".