140721050 has 48 divisors (see below), whose sum is σ = 273598560. Its totient is φ = 53780160.

The previous prime is 140721023. The next prime is 140721067. The reversal of 140721050 is 50127041.

140721050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154697 + ... + 155603.

It is an arithmetic number, because the mean of its divisors is an integer number (5699970).

Almost surely, 2^140721050 is an apocalyptic number.

140721050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140721050 is a deficient number, since it is larger than the sum of its proper divisors (132877510).

140721050 is a wasteful number, since it uses less digits than its factorization.

140721050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 140721050 is about 11862.5903579277. The cubic root of 140721050 is about 520.1393241073.

Adding to 140721050 its reverse (50127041), we get a palindrome (190848091).

The spelling of 140721050 in words is "one hundred forty million, seven hundred twenty-one thousand, fifty".