140364897 has 8 divisors (see below), whose sum is σ = 187993344. Its totient is φ = 93156528.

The previous prime is 140364877. The next prime is 140364923. The reversal of 140364897 is 798463041.

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

It is a de Polignac number, because none of the positive numbers 2^k-140364897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140364817) 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, 104238 + ... + 105575.

It is an arithmetic number, because the mean of its divisors is an integer number (23499168).

Almost surely, 2^140364897 is an apocalyptic number.

It is an amenable number.

140364897 is a deficient number, since it is larger than the sum of its proper divisors (47628447).

140364897 is a wasteful number, since it uses less digits than its factorization.

140364897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210039.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 140364897 is about 11847.5692443640. The cubic root of 140364897 is about 519.7001439369.

The spelling of 140364897 in words is "one hundred forty million, three hundred sixty-four thousand, eight hundred ninety-seven".