140427655 has 8 divisors (see below), whose sum is σ = 168577200. Its totient is φ = 112299456.

The previous prime is 140427653. The next prime is 140427659. The reversal of 140427655 is 556724041.

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

It is a cyclic number.

It is not a de Polignac number, because 140427655 - 2¹ = 140427653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140427655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140427653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20676 + ... + 26614.

It is an arithmetic number, because the mean of its divisors is an integer number (21072150).

Almost surely, 2^140427655 is an apocalyptic number.

140427655 is a deficient number, since it is larger than the sum of its proper divisors (28149545).

140427655 is an equidigital number, since it uses as much as digits as its factorization.

140427655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 140427655 is about 11850.2175085523. The cubic root of 140427655 is about 519.7775860959. Note that the first 3 decimals are identical.

The spelling of 140427655 in words is "one hundred forty million, four hundred twenty-seven thousand, six hundred fifty-five".