140744797 has 8 divisors (see below), whose sum is σ = 146986560. Its totient is φ = 134513280.

The previous prime is 140744789. The next prime is 140744809. The reversal of 140744797 is 797447041.

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 140744797 - 2³ = 140744789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140744497) 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 7 ways as a sum of consecutive naturals, for example, 42829 + ... + 45997.

It is an arithmetic number, because the mean of its divisors is an integer number (18373320).

Almost surely, 2^140744797 is an apocalyptic number.

It is an amenable number.

140744797 is a deficient number, since it is larger than the sum of its proper divisors (6241763).

140744797 is a wasteful number, since it uses less digits than its factorization.

140744797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 140744797 is about 11863.5912353722. The cubic root of 140744797 is about 520.1685806963.

The spelling of 140744797 in words is "one hundred forty million, seven hundred forty-four thousand, seven hundred ninety-seven".