140952497 has 4 divisors (see below), whose sum is σ = 161088576. Its totient is φ = 120816420.

The previous prime is 140952481. The next prime is 140952521. The reversal of 140952497 is 794259041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 794259041 = 307 ⋅2587163.

It is a cyclic number.

It is not a de Polignac number, because 140952497 - 2⁴ = 140952481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140952437) 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 3 ways as a sum of consecutive naturals, for example, 10068029 + ... + 10068042.

It is an arithmetic number, because the mean of its divisors is an integer number (40272144).

Almost surely, 2^140952497 is an apocalyptic number.

It is an amenable number.

140952497 is a deficient number, since it is larger than the sum of its proper divisors (20136079).

140952497 is an equidigital number, since it uses as much as digits as its factorization.

140952497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20136078.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 140952497 is about 11872.3416814039. The cubic root of 140952497 is about 520.4243294343.

The spelling of 140952497 in words is "one hundred forty million, nine hundred fifty-two thousand, four hundred ninety-seven".