201440130 has 16 divisors (see below), whose sum is σ = 483456384. Its totient is φ = 53717360.

The previous prime is 201440111. The next prime is 201440131. The reversal of 201440130 is 31044102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (201440131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3357306 + ... + 3357365.

It is an arithmetic number, because the mean of its divisors is an integer number (30216024).

Almost surely, 2^201440130 is an apocalyptic number.

201440130 is an abundant number, since it is smaller than the sum of its proper divisors (282016254).

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

201440130 is a wasteful number, since it uses less digits than its factorization.

201440130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714681.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201440130 is about 14192.9605791040. The cubic root of 201440130 is about 586.2038472009.

Adding to 201440130 its reverse (31044102), we get a palindrome (232484232).

The spelling of 201440130 in words is "two hundred one million, four hundred forty thousand, one hundred thirty".