140342216 has 32 divisors (see below), whose sum is σ = 302330880. Its totient is φ = 59827200.

The previous prime is 140342207. The next prime is 140342243. The reversal of 140342216 is 612243041.

140342216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140342191 and 140342200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4136 + ... + 17256.

It is an arithmetic number, because the mean of its divisors is an integer number (9447840).

Almost surely, 2^140342216 is an apocalyptic number.

It is an amenable number.

140342216 is an abundant number, since it is smaller than the sum of its proper divisors (161988664).

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

140342216 is a wasteful number, since it uses less digits than its factorization.

140342216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13325 (or 13321 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 140342216 is about 11846.6120051262. The cubic root of 140342216 is about 519.6721503427.

Adding to 140342216 its reverse (612243041), we get a palindrome (752585257).

The spelling of 140342216 in words is "one hundred forty million, three hundred forty-two thousand, two hundred sixteen".