140111321 has 8 divisors (see below), whose sum is σ = 160273344. Its totient is φ = 119985840.

The previous prime is 140111311. The next prime is 140111347. The reversal of 140111321 is 123111041.

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 140111321 - 2²² = 135917017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140111296 and 140111305.

It is not an unprimeable number, because it can be changed into a prime (140111311) 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, 350 + ... + 16743.

It is an arithmetic number, because the mean of its divisors is an integer number (20034168).

Almost surely, 2^140111321 is an apocalyptic number.

It is an amenable number.

140111321 is a deficient number, since it is larger than the sum of its proper divisors (20162023).

140111321 is a wasteful number, since it uses less digits than its factorization.

140111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18271.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 140111321 is about 11836.8628022800. The cubic root of 140111321 is about 519.3870007793.

Adding to 140111321 its reverse (123111041), we get a palindrome (263222362).

The spelling of 140111321 in words is "one hundred forty million, one hundred eleven thousand, three hundred twenty-one".