1214113536 has 216 divisors, whose sum is σ = 3761000880. Its totient is φ = 390168576.

The previous prime is 1214113529. The next prime is 1214113567. The reversal of 1214113536 is 6353114121.

It is a happy number.

1214113536 is a `hidden beast` number, since 1 + 2 + 14 + 113 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1803696 + ... + 1804368.

Almost surely, 2^1214113536 is an apocalyptic number.

1214113536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214113536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880500440).

1214113536 is an abundant number, since it is smaller than the sum of its proper divisors (2546887344).

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

1214113536 is an frugal number, since it uses more digits than its factorization.

1214113536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 707 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1214113536 is about 34844.1320167399. The cubic root of 1214113536 is about 1066.8084172729.

Adding to 1214113536 its reverse (6353114121), we get a palindrome (7567227657).

The spelling of 1214113536 in words is "one billion, two hundred fourteen million, one hundred thirteen thousand, five hundred thirty-six".