140140151 has 4 divisors (see below), whose sum is σ = 144972600. Its totient is φ = 135307704.

The previous prime is 140140111. The next prime is 140140153. The reversal of 140140151 is 151041041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151041041 = 337 ⋅448193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140140151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140140153) 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, 2416181 + ... + 2416238.

It is an arithmetic number, because the mean of its divisors is an integer number (36243150).

Almost surely, 2^140140151 is an apocalyptic number.

140140151 is a deficient number, since it is larger than the sum of its proper divisors (4832449).

140140151 is an equidigital number, since it uses as much as digits as its factorization.

140140151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832448.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 140140151 is about 11838.0805454263. The cubic root of 140140151 is about 519.4226222176.

Adding to 140140151 its reverse (151041041), we get a palindrome (291181192).

The spelling of 140140151 in words is "one hundred forty million, one hundred forty thousand, one hundred fifty-one".