140075657 has 8 divisors (see below), whose sum is σ = 147655200. Its totient is φ = 132516864.

The previous prime is 140075647. The next prime is 140075669. The reversal of 140075657 is 756570041.

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 140075657 - 2²⁶ = 72966793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140075647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9818 + ... + 19404.

It is an arithmetic number, because the mean of its divisors is an integer number (18456900).

Almost surely, 2^140075657 is an apocalyptic number.

It is an amenable number.

140075657 is a deficient number, since it is larger than the sum of its proper divisors (7579543).

140075657 is an equidigital number, since it uses as much as digits as its factorization.

140075657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 140075657 is about 11835.3562261556. The cubic root of 140075657 is about 519.3429287045.

The spelling of 140075657 in words is "one hundred forty million, seventy-five thousand, six hundred fifty-seven".