214140401 has 4 divisors (see below), whose sum is σ = 216348132. Its totient is φ = 211932672.

The previous prime is 214140397. The next prime is 214140457. The reversal of 214140401 is 104041412.

214140401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51552400 + 162588001 = 7180^2 + 12751^2 .

It is a cyclic number.

It is not a de Polignac number, because 214140401 - 2² = 214140397 is a prime.

It is a super-2 number, since 2×214140401² = 91712222680881602, which contains 22 as substring.

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 214140401.

It is not an unprimeable number, because it can be changed into a prime (214140461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103720 + ... + 1103913.

It is an arithmetic number, because the mean of its divisors is an integer number (54087033).

Almost surely, 2^214140401 is an apocalyptic number.

It is an amenable number.

214140401 is a deficient number, since it is larger than the sum of its proper divisors (2207731).

214140401 is an equidigital number, since it uses as much as digits as its factorization.

214140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207730.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 214140401 is about 14633.5368588732. The cubic root of 214140401 is about 598.2731840194.

Adding to 214140401 its reverse (104041412), we get a palindrome (318181813).

The spelling of 214140401 in words is "two hundred fourteen million, one hundred forty thousand, four hundred one".