140403214 has 16 divisors (see below), whose sum is σ = 243030528. Its totient is φ = 59587992.

The previous prime is 140403169. The next prime is 140403233. The reversal of 140403214 is 412304041.

It is a super-3 number, since 3×140403214³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140403191 and 140403200.

It is a congruent number.

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, 47242 + ... + 50125.

It is an arithmetic number, because the mean of its divisors is an integer number (15189408).

Almost surely, 2^140403214 is an apocalyptic number.

140403214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140403214 is a deficient number, since it is larger than the sum of its proper divisors (102627314).

140403214 is a wasteful number, since it uses less digits than its factorization.

140403214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97479.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140403214 is about 11849.1862167830. The cubic root of 140403214 is about 519.7474291180.

Adding to 140403214 its reverse (412304041), we get a palindrome (552707255).

The spelling of 140403214 in words is "one hundred forty million, four hundred three thousand, two hundred fourteen".