140342022 has 48 divisors (see below), whose sum is σ = 316013568. Its totient is φ = 44964720.

The previous prime is 140342011. The next prime is 140342051. The reversal of 140342022 is 220243041.

140342022 is nontrivially palindromic in base 15.

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

It is a junction number, because it is equal to n+sod(n) for n = 140341986 and 140342004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90183 + ... + 91725.

It is an arithmetic number, because the mean of its divisors is an integer number (6583616).

Almost surely, 2^140342022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140342022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158006784).

140342022 is an abundant number, since it is smaller than the sum of its proper divisors (175671546).

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

140342022 is a wasteful number, since it uses less digits than its factorization.

140342022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 140342022 is about 11846.6038171284. The cubic root of 140342022 is about 519.6719108889.

Adding to 140342022 its reverse (220243041), we get a palindrome (360585063).

The spelling of 140342022 in words is "one hundred forty million, three hundred forty-two thousand, twenty-two".