201400013 has 4 divisors (see below), whose sum is σ = 203182428. Its totient is φ = 199617600.

The previous prime is 201400009. The next prime is 201400039. The reversal of 201400013 is 310004102.

It is a happy number.

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 90687529 + 110712484 = 9523^2 + 10522^2 .

It is a cyclic number.

It is not a de Polignac number, because 201400013 - 2² = 201400009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201399967 and 201400003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201400093) 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, 891038 + ... + 891263.

It is an arithmetic number, because the mean of its divisors is an integer number (50795607).

Almost surely, 2^201400013 is an apocalyptic number.

It is an amenable number.

201400013 is a deficient number, since it is larger than the sum of its proper divisors (1782415).

201400013 is a wasteful number, since it uses less digits than its factorization.

201400013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782414.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201400013 is about 14191.5472377046. The cubic root of 201400013 is about 586.1649302597.

Adding to 201400013 its reverse (310004102), we get a palindrome (511404115).

The spelling of 201400013 in words is "two hundred one million, four hundred thousand, thirteen".