140241402 has 64 divisors (see below), whose sum is σ = 364896000. Its totient is φ = 39087360.

The previous prime is 140241397. The next prime is 140241457. The reversal of 140241402 is 204142041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10974 + ... + 20022.

It is an arithmetic number, because the mean of its divisors is an integer number (5701500).

Almost surely, 2^140241402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140241402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182448000).

140241402 is an abundant number, since it is smaller than the sum of its proper divisors (224654598).

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

140241402 is a wasteful number, since it uses less digits than its factorization.

140241402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9108 (or 9102 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 140241402 is about 11842.3562689188. The cubic root of 140241402 is about 519.5476860644.

Adding to 140241402 its reverse (204142041), we get a palindrome (344383443).

The spelling of 140241402 in words is "one hundred forty million, two hundred forty-one thousand, four hundred two".