214153939 has 2 divisors, whose sum is σ = 214153940. Its totient is φ = 214153938.

The previous prime is 214153903. The next prime is 214153957. The reversal of 214153939 is 939351412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214153939 - 2¹⁹ = 213629651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214153898 and 214153907.

It is not a weakly prime, because it can be changed into another prime (214153969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107076969 + 107076970.

It is an arithmetic number, because the mean of its divisors is an integer number (107076970).

Almost surely, 2^214153939 is an apocalyptic number.

214153939 is a deficient number, since it is larger than the sum of its proper divisors (1).

214153939 is an equidigital number, since it uses as much as digits as its factorization.

214153939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 214153939 is about 14633.9994191608. Note that the first 3 decimals coincide. The cubic root of 214153939 is about 598.2857914048.

The spelling of 214153939 in words is "two hundred fourteen million, one hundred fifty-three thousand, nine hundred thirty-nine".