1359640806 has 16 divisors (see below), whose sum is σ = 2721716544. Its totient is φ = 452807784.

The previous prime is 1359640801. The next prime is 1359640823. The reversal of 1359640806 is 6080469531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359640801) 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, 94156 + ... + 107631.

It is an arithmetic number, because the mean of its divisors is an integer number (170107284).

Almost surely, 2^1359640806 is an apocalyptic number.

1359640806 is an abundant number, since it is smaller than the sum of its proper divisors (1362075738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1359640806 is a wasteful number, since it uses less digits than its factorization.

1359640806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202915.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1359640806 is about 36873.3075001416. The cubic root of 1359640806 is about 1107.8341029581.

The spelling of 1359640806 in words is "one billion, three hundred fifty-nine million, six hundred forty thousand, eight hundred six".