140555011 has 8 divisors (see below), whose sum is σ = 144144000. Its totient is φ = 136973760.

The previous prime is 140554991. The next prime is 140555017. The reversal of 140555011 is 110555041.

It is a happy number.

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 140555011 - 2⁹ = 140554499 is a prime.

It is a super-2 number, since 2×140555011² = 39511422234420242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140555017) 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, 57390 + ... + 59788.

It is an arithmetic number, because the mean of its divisors is an integer number (18018000).

Almost surely, 2^140555011 is an apocalyptic number.

140555011 is a deficient number, since it is larger than the sum of its proper divisors (3588989).

140555011 is a wasteful number, since it uses less digits than its factorization.

140555011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869.

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

The square root of 140555011 is about 11855.5898630140. The cubic root of 140555011 is about 519.9346700471.

The spelling of 140555011 in words is "one hundred forty million, five hundred fifty-five thousand, eleven".