1366020234 has 64 divisors (see below), whose sum is σ = 3147609600. Its totient is φ = 438613056.

The previous prime is 1366020233. The next prime is 1366020289. The reversal of 1366020234 is 4320206631.

1366020234 is a `hidden beast` number, since 1 + 36 + 602 + 0 + 23 + 4 = 666.

It is a super-2 number, since 2×1366020234² = 3732022559394829512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1366020198 and 1366020207.

It is not an unprimeable number, because it can be changed into a prime (1366020233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 959247 + ... + 960669.

It is an arithmetic number, because the mean of its divisors is an integer number (49181400).

Almost surely, 2^1366020234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366020234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573804800).

1366020234 is an abundant number, since it is smaller than the sum of its proper divisors (1781589366).

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

1366020234 is a wasteful number, since it uses less digits than its factorization.

1366020234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1366020234 is about 36959.7109566620. The cubic root of 1366020234 is about 1109.5640508646.

Adding to 1366020234 its reverse (4320206631), we get a palindrome (5686226865).

The spelling of 1366020234 in words is "one billion, three hundred sixty-six million, twenty thousand, two hundred thirty-four".