140722259 has 4 divisors (see below), whose sum is σ = 140773080. Its totient is φ = 140671440.

The previous prime is 140722249. The next prime is 140722279. The reversal of 140722259 is 952227041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140722259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140722229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21002 + ... + 26879.

It is an arithmetic number, because the mean of its divisors is an integer number (35193270).

Almost surely, 2^140722259 is an apocalyptic number.

140722259 is a deficient number, since it is larger than the sum of its proper divisors (50821).

140722259 is an equidigital number, since it uses as much as digits as its factorization.

140722259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50820.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 140722259 is about 11862.6413163342. The cubic root of 140722259 is about 520.1408136893.

The spelling of 140722259 in words is "one hundred forty million, seven hundred twenty-two thousand, two hundred fifty-nine".