140681101 has 4 divisors (see below), whose sum is σ = 153470304. Its totient is φ = 127891900.

The previous prime is 140681083. The next prime is 140681119. The reversal of 140681101 is 101186041.

140681101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (140681083) and next prime (140681119).

It is a cyclic number.

It is not a de Polignac number, because 140681101 - 2¹¹ = 140679053 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 (140681201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6394585 + ... + 6394606.

It is an arithmetic number, because the mean of its divisors is an integer number (38367576).

Almost surely, 2^140681101 is an apocalyptic number.

140681101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140681101 is a deficient number, since it is larger than the sum of its proper divisors (12789203).

140681101 is a wasteful number, since it uses less digits than its factorization.

140681101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12789202.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 140681101 is about 11860.9064156160. The cubic root of 140681101 is about 520.0900990328.

The spelling of 140681101 in words is "one hundred forty million, six hundred eighty-one thousand, one hundred one".