140102255 has 8 divisors (see below), whose sum is σ = 168381024. Its totient is φ = 111909600.

The previous prime is 140102233. The next prime is 140102279. The reversal of 140102255 is 552201041.

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

It is not a de Polignac number, because 140102255 - 2⁶ = 140102191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17891 + ... + 24500.

It is an arithmetic number, because the mean of its divisors is an integer number (21047628).

Almost surely, 2^140102255 is an apocalyptic number.

140102255 is a deficient number, since it is larger than the sum of its proper divisors (28278769).

140102255 is an equidigital number, since it uses as much as digits as its factorization.

140102255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43057.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 140102255 is about 11836.4798398848. The cubic root of 140102255 is about 519.3757981059.

Adding to 140102255 its reverse (552201041), we get a palindrome (692303296).

The spelling of 140102255 in words is "one hundred forty million, one hundred two thousand, two hundred fifty-five".