140597855 has 8 divisors (see below), whose sum is σ = 168781200. Its totient is φ = 112435776.

The previous prime is 140597851. The next prime is 140597857. The reversal of 140597855 is 558795041.

140597855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140597855 - 2² = 140597851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140597851) 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, 22016 + ... + 27674.

It is an arithmetic number, because the mean of its divisors is an integer number (21097650).

Almost surely, 2^140597855 is an apocalyptic number.

140597855 is a deficient number, since it is larger than the sum of its proper divisors (28183345).

140597855 is an equidigital number, since it uses as much as digits as its factorization.

140597855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10633.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 140597855 is about 11857.3966366990. The cubic root of 140597855 is about 519.9874935355.

The spelling of 140597855 in words is "one hundred forty million, five hundred ninety-seven thousand, eight hundred fifty-five".