140257005 has 16 divisors (see below), whose sum is σ = 256470144. Its totient is φ = 64117440.

The previous prime is 140257003. The next prime is 140257037. The reversal of 140257005 is 500752041.

140257005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140257005 - 2¹ = 140257003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140257003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667786 + ... + 667995.

It is an arithmetic number, because the mean of its divisors is an integer number (16029384).

Almost surely, 2^140257005 is an apocalyptic number.

140257005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140257005 is a deficient number, since it is larger than the sum of its proper divisors (116213139).

140257005 is a wasteful number, since it uses less digits than its factorization.

140257005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335796.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 140257005 is about 11843.0150299660. The cubic root of 140257005 is about 519.5669533226.

The spelling of 140257005 in words is "one hundred forty million, two hundred fifty-seven thousand, five".