214140357 has 6 divisors (see below), whose sum is σ = 309313862. Its totient is φ = 142760232.

The previous prime is 214140341. The next prime is 214140359. The reversal of 214140357 is 753041412.

It can be written as a sum of positive squares in only one way, i.e., 211091841 + 3048516 = 14529^2 + 1746^2 .

It is not a de Polignac number, because 214140357 - 2⁴ = 214140341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214140357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214140359) 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 5 ways as a sum of consecutive naturals, for example, 11896678 + ... + 11896695.

Almost surely, 2^214140357 is an apocalyptic number.

It is an amenable number.

214140357 is a deficient number, since it is larger than the sum of its proper divisors (95173505).

214140357 is a wasteful number, since it uses less digits than its factorization.

214140357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23793379 (or 23793376 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 214140357 is about 14633.5353554772. The cubic root of 214140357 is about 598.2731430432.

Adding to 214140357 its reverse (753041412), we get a palindrome (967181769).

The spelling of 214140357 in words is "two hundred fourteen million, one hundred forty thousand, three hundred fifty-seven".