140140555 has 16 divisors (see below), whose sum is σ = 170412480. Its totient is φ = 110627712.

The previous prime is 140140547. The next prime is 140140573. The reversal of 140140555 is 555041041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140140555 - 2³ = 140140547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130561 + ... + 131629.

It is an arithmetic number, because the mean of its divisors is an integer number (10650780).

Almost surely, 2^140140555 is an apocalyptic number.

140140555 is a deficient number, since it is larger than the sum of its proper divisors (30271925).

140140555 is a wasteful number, since it uses less digits than its factorization.

140140555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 140140555 is about 11838.0976089911. The cubic root of 140140555 is about 519.4231213525.

Adding to 140140555 its reverse (555041041), we get a palindrome (695181596).

The spelling of 140140555 in words is "one hundred forty million, one hundred forty thousand, five hundred fifty-five".