214520136 has 32 divisors (see below), whose sum is σ = 543651360. Its totient is φ = 70526592.

The previous prime is 214520123. The next prime is 214520147. The reversal of 214520136 is 631025412.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59470 + ... + 62973.

It is an arithmetic number, because the mean of its divisors is an integer number (16989105).

Almost surely, 2^214520136 is an apocalyptic number.

It is an amenable number.

214520136 is an abundant number, since it is smaller than the sum of its proper divisors (329131224).

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

214520136 is a wasteful number, since it uses less digits than its factorization.

214520136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122525 (or 122521 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 214520136 is about 14646.5059314500. The cubic root of 214520136 is about 598.6266143070.

Adding to 214520136 its reverse (631025412), we get a palindrome (845545548).

The spelling of 214520136 in words is "two hundred fourteen million, five hundred twenty thousand, one hundred thirty-six".