140533550 has 12 divisors (see below), whose sum is σ = 261392496. Its totient is φ = 56213400.

The previous prime is 140533499. The next prime is 140533553. The reversal of 140533550 is 55335041.

140533550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140533553) 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 5 ways as a sum of consecutive naturals, for example, 1405286 + ... + 1405385.

It is an arithmetic number, because the mean of its divisors is an integer number (21782708).

Almost surely, 2^140533550 is an apocalyptic number.

140533550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140533550 is a deficient number, since it is larger than the sum of its proper divisors (120858946).

140533550 is a wasteful number, since it uses less digits than its factorization.

140533550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810683 (or 2810678 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 140533550 is about 11854.6847279883. The cubic root of 140533550 is about 519.9082061835.

Adding to 140533550 its reverse (55335041), we get a palindrome (195868591).

The spelling of 140533550 in words is "one hundred forty million, five hundred thirty-three thousand, five hundred fifty".