140130342 has 48 divisors (see below), whose sum is σ = 334011600. Its totient is φ = 42456480.

The previous prime is 140130317. The next prime is 140130343. The reversal of 140130342 is 243031041.

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

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140130343) 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 23 ways as a sum of consecutive naturals, for example, 21034 + ... + 26882.

It is an arithmetic number, because the mean of its divisors is an integer number (6958575).

Almost surely, 2^140130342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140130342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167005800).

140130342 is an abundant number, since it is smaller than the sum of its proper divisors (193881258).

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

140130342 is a wasteful number, since it uses less digits than its factorization.

140130342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890 (or 5865 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140130342 is about 11837.6662395930. Note that the first 3 decimals coincide. The cubic root of 140130342 is about 519.4105030751.

Adding to 140130342 its reverse (243031041), we get a palindrome (383161383).

The spelling of 140130342 in words is "one hundred forty million, one hundred thirty thousand, three hundred forty-two".