140334511 has 2 divisors, whose sum is σ = 140334512. Its totient is φ = 140334510.

The previous prime is 140334487. The next prime is 140334517. The reversal of 140334511 is 115433041.

It is a strong prime.

It is an emirp because it is prime and its reverse (115433041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140334511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140334517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70167255 + 70167256.

It is an arithmetic number, because the mean of its divisors is an integer number (70167256).

Almost surely, 2^140334511 is an apocalyptic number.

140334511 is a deficient number, since it is larger than the sum of its proper divisors (1).

140334511 is an equidigital number, since it uses as much as digits as its factorization.

140334511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 140334511 is about 11846.2868022009. The cubic root of 140334511 is about 519.6626399062.

Adding to 140334511 its reverse (115433041), we get a palindrome (255767552).

The spelling of 140334511 in words is "one hundred forty million, three hundred thirty-four thousand, five hundred eleven".