140120236 has 12 divisors (see below), whose sum is σ = 245424312. Its totient is φ = 69999008.

The previous prime is 140120191. The next prime is 140120237. The reversal of 140120236 is 632021041.

It is not an unprimeable number, because it can be changed into a prime (140120237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9910 + ... + 19453.

It is an arithmetic number, because the mean of its divisors is an integer number (20452026).

Almost surely, 2^140120236 is an apocalyptic number.

It is an amenable number.

140120236 is a deficient number, since it is larger than the sum of its proper divisors (105304076).

140120236 is a wasteful number, since it uses less digits than its factorization.

140120236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30560 (or 30558 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140120236 is about 11837.2393741108. The cubic root of 140120236 is about 519.3980163939.

Adding to 140120236 its reverse (632021041), we get a palindrome (772141277).

The spelling of 140120236 in words is "one hundred forty million, one hundred twenty thousand, two hundred thirty-six".