140214047 has 2 divisors, whose sum is σ = 140214048. Its totient is φ = 140214046.

The previous prime is 140214029. The next prime is 140214073. The reversal of 140214047 is 740412041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140214047 is a prime.

It is a super-2 number, since 2×140214047² = 39319957952236418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140214017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70107023 + 70107024.

It is an arithmetic number, because the mean of its divisors is an integer number (70107024).

Almost surely, 2^140214047 is an apocalyptic number.

140214047 is a deficient number, since it is larger than the sum of its proper divisors (1).

140214047 is an equidigital number, since it uses as much as digits as its factorization.

140214047 is an evil number, because the sum of its binary digits is even.

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

The square root of 140214047 is about 11841.2012481842. The cubic root of 140214047 is about 519.5139034797.

Adding to 140214047 its reverse (740412041), we get a palindrome (880626088).

The spelling of 140214047 in words is "one hundred forty million, two hundred fourteen thousand, forty-seven".