140353431151 has 4 divisors (see below), whose sum is σ = 140572391904. Its totient is φ = 140134470400.

The previous prime is 140353431121. The next prime is 140353431173. The reversal of 140353431151 is 151134353041.

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

It is a cyclic number.

It is not a de Polignac number, because 140353431151 - 2³³ = 131763496559 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 (140353431121) 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, 109479415 + ... + 109480696.

It is an arithmetic number, because the mean of its divisors is an integer number (35143097976).

Almost surely, 2^140353431151 is an apocalyptic number.

140353431151 is a deficient number, since it is larger than the sum of its proper divisors (218960753).

140353431151 is an equidigital number, since it uses as much as digits as its factorization.

140353431151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218960752.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 140353431151 its reverse (151134353041), we get a palindrome (291487784192).

The spelling of 140353431151 in words is "one hundred forty billion, three hundred fifty-three million, four hundred thirty-one thousand, one hundred fifty-one".