140257107 has 24 divisors (see below), whose sum is σ = 213744960. Its totient is φ = 88380720.

The previous prime is 140257097. The next prime is 140257109. The reversal of 140257107 is 701752041.

It is not a de Polignac number, because 140257107 - 2¹⁸ = 139994963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140257109) 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 23 ways as a sum of consecutive naturals, for example, 117568 + ... + 118754.

It is an arithmetic number, because the mean of its divisors is an integer number (8906040).

Almost surely, 2^140257107 is an apocalyptic number.

140257107 is a deficient number, since it is larger than the sum of its proper divisors (73487853).

140257107 is a wasteful number, since it uses less digits than its factorization.

140257107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1900 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 140257107 is about 11843.0193363010. The cubic root of 140257107 is about 519.5670792719.

The spelling of 140257107 in words is "one hundred forty million, two hundred fifty-seven thousand, one hundred seven".