1359863409 has 8 divisors (see below), whose sum is σ = 1813812480. Its totient is φ = 906244976.

The previous prime is 1359863387. The next prime is 1359863413. The reversal of 1359863409 is 9043689531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1359863409 - 2⁵ = 1359863377 is a prime.

It is a super-2 number, since 2×1359863409² = 3698456982274202562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1359863489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72897 + ... + 89630.

It is an arithmetic number, because the mean of its divisors is an integer number (226726560).

Almost surely, 2^1359863409 is an apocalyptic number.

It is an amenable number.

1359863409 is a deficient number, since it is larger than the sum of its proper divisors (453949071).

1359863409 is a wasteful number, since it uses less digits than its factorization.

1359863409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165319.

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 1359863409 is about 36876.3258609097. The cubic root of 1359863409 is about 1107.8945585669.

The spelling of 1359863409 in words is "one billion, three hundred fifty-nine million, eight hundred sixty-three thousand, four hundred nine".