140127730 has 32 divisors (see below), whose sum is σ = 266934528. Its totient is φ = 52852800.

The previous prime is 140127721. The next prime is 140127731. The reversal of 140127730 is 37721041.

It is a happy number.

140127730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140127695 and 140127704.

It is not an unprimeable number, because it can be changed into a prime (140127731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12040 + ... + 20620.

It is an arithmetic number, because the mean of its divisors is an integer number (8341704).

Almost surely, 2^140127730 is an apocalyptic number.

140127730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140127730 is a deficient number, since it is larger than the sum of its proper divisors (126806798).

140127730 is a wasteful number, since it uses less digits than its factorization.

140127730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8682.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 140127730 is about 11837.5559132787. Note that the first 3 decimals coincide. The cubic root of 140127730 is about 519.4072758210.

Adding to 140127730 its reverse (37721041), we get a palindrome (177848771).

The spelling of 140127730 in words is "one hundred forty million, one hundred twenty-seven thousand, seven hundred thirty".