140657101 has 16 divisors (see below), whose sum is σ = 156219840. Its totient is φ = 125815680.

The previous prime is 140657087. The next prime is 140657117. The reversal of 140657101 is 101756041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140657101 - 2⁷ = 140656973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140657501) 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 15 ways as a sum of consecutive naturals, for example, 86070 + ... + 87688.

It is an arithmetic number, because the mean of its divisors is an integer number (9763740).

Almost surely, 2^140657101 is an apocalyptic number.

It is an amenable number.

140657101 is a deficient number, since it is larger than the sum of its proper divisors (15562739).

140657101 is a wasteful number, since it uses less digits than its factorization.

140657101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 140657101 is about 11859.8946454005. The cubic root of 140657101 is about 520.0605218019.

The spelling of 140657101 in words is "one hundred forty million, six hundred fifty-seven thousand, one hundred one".