140401255 has 8 divisors (see below), whose sum is σ = 168558624. Its totient is φ = 112269600.

The previous prime is 140401253. The next prime is 140401271. The reversal of 140401255 is 552104041.

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

It is not a de Polignac number, because 140401255 - 2¹ = 140401253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140401253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8925 + ... + 18985.

It is an arithmetic number, because the mean of its divisors is an integer number (21069828).

Almost surely, 2^140401255 is an apocalyptic number.

140401255 is a deficient number, since it is larger than the sum of its proper divisors (28157369).

140401255 is a wasteful number, since it uses less digits than its factorization.

140401255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12857.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 140401255 is about 11849.1035525900. The cubic root of 140401255 is about 519.7450118183.

Adding to 140401255 its reverse (552104041), we get a palindrome (692505296).

The spelling of 140401255 in words is "one hundred forty million, four hundred one thousand, two hundred fifty-five".