140024397 has 8 divisors (see below), whose sum is σ = 186929344. Its totient is φ = 93234528.

The previous prime is 140024377. The next prime is 140024411. The reversal of 140024397 is 793420041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140024397 - 2⁶ = 140024333 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 (140024347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25888 + ... + 30825.

It is an arithmetic number, because the mean of its divisors is an integer number (23366168).

Almost surely, 2^140024397 is an apocalyptic number.

It is an amenable number.

140024397 is a deficient number, since it is larger than the sum of its proper divisors (46904947).

140024397 is an equidigital number, since it uses as much as digits as its factorization.

140024397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57539.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 140024397 is about 11833.1904827058. The cubic root of 140024397 is about 519.2795706424.

The spelling of 140024397 in words is "one hundred forty million, twenty-four thousand, three hundred ninety-seven".