140550511 has 2 divisors, whose sum is σ = 140550512. Its totient is φ = 140550510.

The previous prime is 140550481. The next prime is 140550517. The reversal of 140550511 is 115055041.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (115055041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140550511 - 2¹⁵ = 140517743 is a prime.

It is a super-2 number, since 2×140550511² = 39508892284722242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140550517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70275255 + 70275256.

It is an arithmetic number, because the mean of its divisors is an integer number (70275256).

Almost surely, 2^140550511 is an apocalyptic number.

140550511 is a deficient number, since it is larger than the sum of its proper divisors (1).

140550511 is an equidigital number, since it uses as much as digits as its factorization.

140550511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 140550511 is about 11855.4000776018. The cubic root of 140550511 is about 519.9291212565.

The spelling of 140550511 in words is "one hundred forty million, five hundred fifty thousand, five hundred eleven".