140930406 has 12 divisors (see below), whose sum is σ = 305349252. Its totient is φ = 46976796.

The previous prime is 140930389. The next prime is 140930411. The reversal of 140930406 is 604039041.

140930406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140930406² = 39722758670649672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140930406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3914716 + ... + 3914751.

It is an arithmetic number, because the mean of its divisors is an integer number (25445771).

Almost surely, 2^140930406 is an apocalyptic number.

140930406 is an abundant number, since it is smaller than the sum of its proper divisors (164418846).

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

140930406 is a wasteful number, since it uses less digits than its factorization.

140930406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829475 (or 7829472 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 140930406 is about 11871.4112893118. The cubic root of 140930406 is about 520.3971399088.

Adding to 140930406 its reverse (604039041), we get a palindrome (744969447).

The spelling of 140930406 in words is "one hundred forty million, nine hundred thirty thousand, four hundred six".