140106511 has 8 divisors (see below), whose sum is σ = 145419120. Its totient is φ = 134826048.

The previous prime is 140106481. The next prime is 140106517. The reversal of 140106511 is 115601041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140106511 - 2¹⁵ = 140073743 is a prime.

It is a super-3 number, since 3×140106511³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140106517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035 + ... + 16771.

It is an arithmetic number, because the mean of its divisors is an integer number (18177390).

Almost surely, 2^140106511 is an apocalyptic number.

140106511 is a deficient number, since it is larger than the sum of its proper divisors (5312609).

140106511 is a wasteful number, since it uses less digits than its factorization.

140106511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16073.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 140106511 is about 11836.6596217007. The cubic root of 140106511 is about 519.3810572195.

Adding to 140106511 its reverse (115601041), we get a palindrome (255707552).

The spelling of 140106511 in words is "one hundred forty million, one hundred six thousand, five hundred eleven".