140323014 has 48 divisors (see below), whose sum is σ = 328333824. Its totient is φ = 43056000.

The previous prime is 140322953. The next prime is 140323021. The reversal of 140323014 is 410323041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121339 + ... + 122489.

It is an arithmetic number, because the mean of its divisors is an integer number (6840288).

Almost surely, 2^140323014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140323014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164166912).

140323014 is an abundant number, since it is smaller than the sum of its proper divisors (188010810).

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

140323014 is a wasteful number, since it uses less digits than its factorization.

140323014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1690 counting only the distinct ones).

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

The square root of 140323014 is about 11845.8015347211. The cubic root of 140323014 is about 519.6484482806.

Adding to 140323014 its reverse (410323041), we get a palindrome (550646055).

The spelling of 140323014 in words is "one hundred forty million, three hundred twenty-three thousand, fourteen".