1359439650 has 72 divisors (see below), whose sum is σ = 3714338160. Its totient is φ = 356365920.

The previous prime is 1359439649. The next prime is 1359439657. The reversal of 1359439650 is 569349531.

1359439650 is a `hidden beast` number, since 1 + 3 + 594 + 3 + 9 + 6 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1359439596 and 1359439605.

It is not an unprimeable number, because it can be changed into a prime (1359439657) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 949 + ... + 52151.

It is an arithmetic number, because the mean of its divisors is an integer number (51588030).

Almost surely, 2^1359439650 is an apocalyptic number.

1359439650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1359439650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857169080).

1359439650 is an abundant number, since it is smaller than the sum of its proper divisors (2354898510).

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

1359439650 is a wasteful number, since it uses less digits than its factorization.

1359439650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51280 (or 51272 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 1359439650 is about 36870.5797350679. The cubic root of 1359439650 is about 1107.7794663544.

The spelling of 1359439650 in words is "one billion, three hundred fifty-nine million, four hundred thirty-nine thousand, six hundred fifty".