140214407 has 2 divisors, whose sum is σ = 140214408. Its totient is φ = 140214406.

The previous prime is 140214401. The next prime is 140214467. The reversal of 140214407 is 704412041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140214407 - 2¹² = 140210311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140214401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70107203 + 70107204.

It is an arithmetic number, because the mean of its divisors is an integer number (70107204).

Almost surely, 2^140214407 is an apocalyptic number.

140214407 is a deficient number, since it is larger than the sum of its proper divisors (1).

140214407 is an equidigital number, since it uses as much as digits as its factorization.

140214407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 140214407 is about 11841.2164493349. The cubic root of 140214407 is about 519.5143480972.

Adding to 140214407 its reverse (704412041), we get a palindrome (844626448).

The spelling of 140214407 in words is "one hundred forty million, two hundred fourteen thousand, four hundred seven".