140980817 has 4 divisors (see below), whose sum is σ = 148400880. Its totient is φ = 133560756.

The previous prime is 140980811. The next prime is 140980831. The reversal of 140980817 is 718089041.

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.

It is a cyclic number.

It is not a de Polignac number, because 140980817 - 2⁶ = 140980753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140980811) 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, 3710003 + ... + 3710040.

It is an arithmetic number, because the mean of its divisors is an integer number (37100220).

Almost surely, 2^140980817 is an apocalyptic number.

It is an amenable number.

140980817 is a deficient number, since it is larger than the sum of its proper divisors (7420063).

140980817 is an equidigital number, since it uses as much as digits as its factorization.

140980817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420062.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 140980817 is about 11873.5343095474. The cubic root of 140980817 is about 520.4591814361.

The spelling of 140980817 in words is "one hundred forty million, nine hundred eighty thousand, eight hundred seventeen".