140286550 has 48 divisors (see below), whose sum is σ = 278366112. Its totient is φ = 52416000.

The previous prime is 140286529. The next prime is 140286551. The reversal of 140286550 is 55682041.

It is a super-2 number, since 2×140286550² = 39360632221805000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140286551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127804 + ... + 128896.

It is an arithmetic number, because the mean of its divisors is an integer number (5799294).

Almost surely, 2^140286550 is an apocalyptic number.

140286550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140286550 is a deficient number, since it is larger than the sum of its proper divisors (138079562).

140286550 is a wasteful number, since it uses less digits than its factorization.

140286550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 140286550 is about 11844.2623240116. The cubic root of 140286550 is about 519.6034328503.

The spelling of 140286550 in words is "one hundred forty million, two hundred eighty-six thousand, five hundred fifty".