140535855 has 24 divisors (see below), whose sum is σ = 257926032. Its totient is φ = 70543104.

The previous prime is 140535847. The next prime is 140535859. The reversal of 140535855 is 558535041.

It is a happy number.

140535855 is a `hidden beast` number, since 1 + 40 + 535 + 85 + 5 = 666.

It is not a de Polignac number, because 140535855 - 2³ = 140535847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140535859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91089 + ... + 92618.

It is an arithmetic number, because the mean of its divisors is an integer number (10746918).

Almost surely, 2^140535855 is an apocalyptic number.

140535855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140535855 is a deficient number, since it is larger than the sum of its proper divisors (117390177).

140535855 is a wasteful number, since it uses less digits than its factorization.

140535855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183735 (or 183732 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 140535855 is about 11854.7819465395. The cubic root of 140535855 is about 519.9110486408.

The spelling of 140535855 in words is "one hundred forty million, five hundred thirty-five thousand, eight hundred fifty-five".