214154740 has 12 divisors (see below), whose sum is σ = 449724996. Its totient is φ = 85661888.

The previous prime is 214154653. The next prime is 214154747. The reversal of 214154740 is 47451412.

It can be written as a sum of positive squares in 2 ways, for example, as 76702564 + 137452176 = 8758^2 + 11724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 214154699 and 214154708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214154747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5353849 + ... + 5353888.

It is an arithmetic number, because the mean of its divisors is an integer number (37477083).

Almost surely, 2^214154740 is an apocalyptic number.

214154740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214154740 is an abundant number, since it is smaller than the sum of its proper divisors (235570256).

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

214154740 is a wasteful number, since it uses less digits than its factorization.

214154740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10707746 (or 10707744 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 214154740 is about 14634.0267869100. The cubic root of 214154740 is about 598.2865373267.

The spelling of 214154740 in words is "two hundred fourteen million, one hundred fifty-four thousand, seven hundred forty".