140118730 has 32 divisors (see below), whose sum is σ = 271978560. Its totient is φ = 51799680.

The previous prime is 140118707. The next prime is 140118733. The reversal of 140118730 is 37811041.

It is a junction number, because it is equal to n+sod(n) for n = 140118695 and 140118704.

It is not an unprimeable number, because it can be changed into a prime (140118733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204 + ... + 16783.

It is an arithmetic number, because the mean of its divisors is an integer number (8499330).

Almost surely, 2^140118730 is an apocalyptic number.

140118730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140118730 is a deficient number, since it is larger than the sum of its proper divisors (131859830).

140118730 is a wasteful number, since it uses less digits than its factorization.

140118730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18054.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 140118730 is about 11837.1757611349. The cubic root of 140118730 is about 519.3961555724.

Adding to 140118730 its reverse (37811041), we get a palindrome (177929771).

The spelling of 140118730 in words is "one hundred forty million, one hundred eighteen thousand, seven hundred thirty".