140500655 has 8 divisors (see below), whose sum is σ = 173157792. Its totient is φ = 109362528.

The previous prime is 140500639. The next prime is 140500669. The reversal of 140500655 is 556005041.

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

It is not a de Polignac number, because 140500655 - 2⁴ = 140500639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379547 + ... + 379916.

It is an arithmetic number, because the mean of its divisors is an integer number (21644724).

Almost surely, 2^140500655 is an apocalyptic number.

140500655 is a deficient number, since it is larger than the sum of its proper divisors (32657137).

140500655 is an equidigital number, since it uses as much as digits as its factorization.

140500655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759505.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 140500655 is about 11853.2972206049. The cubic root of 140500655 is about 519.8676376620.

Adding to 140500655 its reverse (556005041), we get a palindrome (696505696).

The spelling of 140500655 in words is "one hundred forty million, five hundred thousand, six hundred fifty-five".