140213550 has 48 divisors (see below), whose sum is σ = 359731440. Its totient is φ = 36099840.

The previous prime is 140213533. The next prime is 140213551. The reversal of 140213550 is 55312041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140213551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11767 + ... + 20466.

It is an arithmetic number, because the mean of its divisors is an integer number (7494405).

Almost surely, 2^140213550 is an apocalyptic number.

140213550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140213550 is an abundant number, since it is smaller than the sum of its proper divisors (219517890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140213550 is a wasteful number, since it uses less digits than its factorization.

140213550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32277 (or 32272 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 140213550 is about 11841.1802621191. The cubic root of 140213550 is about 519.5132896593.

Adding to 140213550 its reverse (55312041), we get a palindrome (195525591).

It can be divided in two parts, 14021 and 3550, that added together give a palindrome (17571).

The spelling of 140213550 in words is "one hundred forty million, two hundred thirteen thousand, five hundred fifty".