140118506 has 8 divisors (see below), whose sum is σ = 229284864. Its totient is φ = 63690220.

The previous prime is 140118497. The next prime is 140118509. The reversal of 140118506 is 605811041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140118509) 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, 3184490 + ... + 3184533.

It is an arithmetic number, because the mean of its divisors is an integer number (28660608).

Almost surely, 2^140118506 is an apocalyptic number.

140118506 is a deficient number, since it is larger than the sum of its proper divisors (89166358).

140118506 is a wasteful number, since it uses less digits than its factorization.

140118506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369036.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 140118506 is about 11837.1662994147. The cubic root of 140118506 is about 519.3958787957.

Adding to 140118506 its reverse (605811041), we get a palindrome (745929547).

The spelling of 140118506 in words is "one hundred forty million, one hundred eighteen thousand, five hundred six".